Just put together the following:
Corsair 450VX PSU
MSI 7800GT
AMD 4200 X2 AM2
1 x 2GB DDR2 800
DFI Ultra-II M2 MoBo
And the system won't boot. Fans etc spinning, but no image on screen.
I removed the video card, and it beeped to let me know it was out. Removed the ram, and it beeped...