Not sure what the difference is, but from the "beta" link, they now have a newer version:
ForceWare Release 158 BETA
Version: 158.43
Release Date: May 15, 2007
Operating System: Windows Vista 32-bit
Language: U.S. English
File Size: 45.9 MB
**UPDATED** Vista 32bit 158.43
Windows Vista 32-bit
ForceWare Release 158
Version: 158.42
Release Date: May 14, 2007
Beta Driver
File Size:30.3 MB
Vista 32bit 158.42
ForceWare Release 158 BETA
Version: 158.43
Release Date: May 15, 2007
Operating System: Windows Vista 64-bit
Language: U.S. English
File Size: 45.9 MB
Vista 64bit 158.43
Vista 64bit 158.42
Changes in Version 158.42
The following sections list the changes made and issues resolved since driver
version 158.18.
The NVIDIA bug number and driver module are provided for reference.
Fixed Issues?Windows Vista 32-bit
Fixed Single-GPU Issues
? After hot-plugging TV via HDMI, the user cannot switch to it from
the Windows Display Settings page. [308587]
? The HDMI overscan settings are lost after switching from to the DVI
output and then back to HDMI. [307007]
? NVIDIA Control Panel->Manage 3D Settings page list selections do
not persist within the page. [264942]
? HDMI output is not sized properly and appears horizontally scrolled.
[281866]
? Desktop reverts from Aero to Basic after rotating the secondary
Dualview display. [274729]
? StationTV Digital?lip sync delay occurs with extended application
playback. [303551]
? Doom3?the game does not play when set to 16-bit color quality mode.
[272017]
? Rainbow Six: Vegas?some shadows do not render when when
antialiasing is enabled.[302344]
? Company of Heroes?the game consumes significantly more resources
using DirectX 10 compared to DirectX 9. [299211]
? GeForce 8 Series: The system locks up when playing "Open Season"
BluRay disc title. [306013]
? GeForce 8 Series: 1280 x 800 resolution does not display correctly on
the HP w20 monitor when connected via VGA. [293784]
? GeForce 8 Series: 3DMark03/05/06?the benchmark fails to run due to
INVALIDCALL or DEVICELOST errors. [200956]
? GeForce 8800 GTX: Lost Planet?the driver crashes while playing the
game.[304441]
? GeForce 8800 GTX: The driver uninstall process leaves the driver
installed. [309402]
? GeForce 8800 GTX: HD video playback using Cyberlink is
green.[305860]
? GeForce 8800 GTX: "Display driver has stopped responding" error
message pops up when changing the Dualview primary display
during HD DVD playback using the IVI application.[302241]
? GeForce 8800 GTX: Chess Titans (built-in Windows Vista game)?
shadow corruption and other graphics corruption occurs in the game.
[295899]
? GeForce 8800 GTX: nTune fan control does not work
properly.[290013]
Fixed SLI Mode Issues
? [SLI], International Driver Versions: The NVIDIA Control panel
crashes when enabling SLI mode.[309105]
? [SLI]: When disabling SLI mode, the NVIDIA Control Panel "restart"
dialog is hidden behind the control panel. [301563]
? [SLI], NVIDIA Control Panel: When disabling SLI mode, the NVIDIA
Control Panel shows all displays as disconnected.[300471]
? [SLI]: The SLI notification pop-up balloons do not appear to inform
the user to enable SLI mode. [281302]
? [SLI]: Unreal Tournament 2004?the game takes too long to change
resolutions. [245564]
? [SLI bridgeless], GeForce 8 Series: Dark Messiah?stuttering occurs
during the video clips when first launching the game. [304736]
? [SLI] , GeForce 8 series: Enabling or disabling NVIDIA SLI mode
causes the Windows shutdown dialog to appear. [306630]
? [SLI], GeForce 8 Series: Screen flickering occurs when playing a video
using Windows Media Player 11 with SLI mode enabled. [309907]
? [SLI] GeForce 8800 GTX: Gothic 3?with SLI mode enabled, there are
flickering shadows in the game. [267291]
? [SLI], GeForce 8800GTX: Neverwinter Nights 2?performance drops
when SLI mode is enabeld. [296873]
? [SLI] GeForce 8800GTX: When trying to enable or disable SLI mode,
the "Shut Down Windows" notification may appear, asking if you
would like to put your computer in sleep mode or restart your
computer. [306630]
? [SLI], GeForce 8800 GTX: Far Cry?with SLI mode enabled, the trees
shimmer when resolution is 2560x1600 and 8x antialiasing is
enabled.[304211]
Fixed Issues?Windows Vista 64-bit
Fixed Single-GPU Issues
? Desktop reverts from Aero to Basic after rotating the secondary
Dualview display. [274729]
? After hot-plugging TV via HDMI, the user cannot switch to it from
the Windows Display Settings page. [308587]
? GeForce 8 Series: 3DMark03/05/06?the benchmark fails to run due to
INVALIDCALL or DEVICELOST errors. [200956]
? GeForce 8800 GTX: Chess Titans (built-in Windows Vista game)?
shadow corruption and other graphics corruption occurs in the game.
[295899]
? GeForce 8800 GTX: nTune fan control does not work
properly.[290013]
? GeForce 8800: FEAR 1.08?stuttering occurs in the game.[307253]
Release 158 Notes
ForceWare Release 158 BETA
Version: 158.43
Release Date: May 15, 2007
Operating System: Windows Vista 32-bit
Language: U.S. English
File Size: 45.9 MB
**UPDATED** Vista 32bit 158.43
Windows Vista 32-bit
ForceWare Release 158
Version: 158.42
Release Date: May 14, 2007
Beta Driver
File Size:30.3 MB
Vista 32bit 158.42
ForceWare Release 158 BETA
Version: 158.43
Release Date: May 15, 2007
Operating System: Windows Vista 64-bit
Language: U.S. English
File Size: 45.9 MB
Vista 64bit 158.43
Vista 64bit 158.42
Changes in Version 158.42
The following sections list the changes made and issues resolved since driver
version 158.18.
The NVIDIA bug number and driver module are provided for reference.
Fixed Issues?Windows Vista 32-bit
Fixed Single-GPU Issues
? After hot-plugging TV via HDMI, the user cannot switch to it from
the Windows Display Settings page. [308587]
? The HDMI overscan settings are lost after switching from to the DVI
output and then back to HDMI. [307007]
? NVIDIA Control Panel->Manage 3D Settings page list selections do
not persist within the page. [264942]
? HDMI output is not sized properly and appears horizontally scrolled.
[281866]
? Desktop reverts from Aero to Basic after rotating the secondary
Dualview display. [274729]
? StationTV Digital?lip sync delay occurs with extended application
playback. [303551]
? Doom3?the game does not play when set to 16-bit color quality mode.
[272017]
? Rainbow Six: Vegas?some shadows do not render when when
antialiasing is enabled.[302344]
? Company of Heroes?the game consumes significantly more resources
using DirectX 10 compared to DirectX 9. [299211]
? GeForce 8 Series: The system locks up when playing "Open Season"
BluRay disc title. [306013]
? GeForce 8 Series: 1280 x 800 resolution does not display correctly on
the HP w20 monitor when connected via VGA. [293784]
? GeForce 8 Series: 3DMark03/05/06?the benchmark fails to run due to
INVALIDCALL or DEVICELOST errors. [200956]
? GeForce 8800 GTX: Lost Planet?the driver crashes while playing the
game.[304441]
? GeForce 8800 GTX: The driver uninstall process leaves the driver
installed. [309402]
? GeForce 8800 GTX: HD video playback using Cyberlink is
green.[305860]
? GeForce 8800 GTX: "Display driver has stopped responding" error
message pops up when changing the Dualview primary display
during HD DVD playback using the IVI application.[302241]
? GeForce 8800 GTX: Chess Titans (built-in Windows Vista game)?
shadow corruption and other graphics corruption occurs in the game.
[295899]
? GeForce 8800 GTX: nTune fan control does not work
properly.[290013]
Fixed SLI Mode Issues
? [SLI], International Driver Versions: The NVIDIA Control panel
crashes when enabling SLI mode.[309105]
? [SLI]: When disabling SLI mode, the NVIDIA Control Panel "restart"
dialog is hidden behind the control panel. [301563]
? [SLI], NVIDIA Control Panel: When disabling SLI mode, the NVIDIA
Control Panel shows all displays as disconnected.[300471]
? [SLI]: The SLI notification pop-up balloons do not appear to inform
the user to enable SLI mode. [281302]
? [SLI]: Unreal Tournament 2004?the game takes too long to change
resolutions. [245564]
? [SLI bridgeless], GeForce 8 Series: Dark Messiah?stuttering occurs
during the video clips when first launching the game. [304736]
? [SLI] , GeForce 8 series: Enabling or disabling NVIDIA SLI mode
causes the Windows shutdown dialog to appear. [306630]
? [SLI], GeForce 8 Series: Screen flickering occurs when playing a video
using Windows Media Player 11 with SLI mode enabled. [309907]
? [SLI] GeForce 8800 GTX: Gothic 3?with SLI mode enabled, there are
flickering shadows in the game. [267291]
? [SLI], GeForce 8800GTX: Neverwinter Nights 2?performance drops
when SLI mode is enabeld. [296873]
? [SLI] GeForce 8800GTX: When trying to enable or disable SLI mode,
the "Shut Down Windows" notification may appear, asking if you
would like to put your computer in sleep mode or restart your
computer. [306630]
? [SLI], GeForce 8800 GTX: Far Cry?with SLI mode enabled, the trees
shimmer when resolution is 2560x1600 and 8x antialiasing is
enabled.[304211]
Fixed Issues?Windows Vista 64-bit
Fixed Single-GPU Issues
? Desktop reverts from Aero to Basic after rotating the secondary
Dualview display. [274729]
? After hot-plugging TV via HDMI, the user cannot switch to it from
the Windows Display Settings page. [308587]
? GeForce 8 Series: 3DMark03/05/06?the benchmark fails to run due to
INVALIDCALL or DEVICELOST errors. [200956]
? GeForce 8800 GTX: Chess Titans (built-in Windows Vista game)?
shadow corruption and other graphics corruption occurs in the game.
[295899]
? GeForce 8800 GTX: nTune fan control does not work
properly.[290013]
? GeForce 8800: FEAR 1.08?stuttering occurs in the game.[307253]
Release 158 Notes