So I was thinking of getting a second 27" display that supports G-SYNC and 1440p + 144 hz. So I found a nice Asus display only it's sold out everywhere with no ETA. In fact this was true of most new high end G-SYNC displays. Are they simply not going to release them? I've got zero interest in AMD's FreeSync (or in anything AMD makes) and was hoping to get a nice G-SYNC display.. 
EDIT: 12/26/14
Got both of my Swift PG278Q's in and ran them both through the usual gamut of tests for inversion, gamma accuracy (both are near 2.0), back light bleed, dead pixels etc. Happy to report that neither has any issues, just very minor edge light bleed on one of them on a black background but it's not visible at all during normal use even in the dark.
http://youtu.be/jd0nZG51TcQ
System specifications:
-------------------------
CPU: Intel 3770K@4.5 GHz
GPU: EVGA Titan SC SLI @ +216 core and +230 memory running a custom Tech|Inferno vbios.
HD: Samsung 840 500 GB SSD
Ram: 16 GB 2133 MHz
Initial impressions:
------------------------
NVIDIA G-SYNC: Pretty damn nice, even at high framerates in games like Far Cry 4, I instantly noticed the difference coming from my 10 bit LG display. With the LG, I was getting constant tearing and stuttering at 1440p with max details (fps from 40-60+) but with G-Sync enabled, it was smooth as butter with no tearing. NVIDIA really knocked it out of the ballpark with this one.
ULMB: As expected, it's decent but it didn't blow me away like G-Sync does. Furthermore it also dims the display too much for my liking so I doubt I'll be using it too much, even in FPS games.
Color reproduction: I lent my calibration tool to a buddy of mine so I haven't done any hardware calibration but based on visual calibration, I used the NVCP and adjusted brightness to 47% and kept contrast at 50% and raised DV up slightly to 55%. Next to my LG display, it doesn't look bad at all -- at least not NEARLY as bad as I was expecting it to be. No doubt the LG looks better but that's because it's a wide gamut panel so when it's set down to sRGB, there's not much difference between the two.
Viewing angles: Off axis horizontal viewing angles do shift if you move your head from right to left but it's really not too bad. It's a bit worse than my LG IPS but I sit in front of my display with a centered view so I doubt it'll ever bother me.
OSD: Wow..what a joy compared to my LG's capacitive buttons! The joystick makes navigating the OSD a breeze and I'm surprised most manufacturers don't take the same approach. The side of the panel also has a built in cheat crosshair function that you can toggle (though it's too big IMO) as well as some timer. I MIGHT use the crosshair in some game modes that have it disabled but I doubt I'll make use of the timer. It also has a button to quickly change refresh rates but again I doubt I'll use that since I'm going to set it at 144 Hz and leave it there.
Issues (possibly driver or firmware): The display gets stuck on G-Sync and I have to pull the power plug to enable ULMB from the OSD. While this isn't a big deal for me because I don't plan to use ULMB much if at all in the future, it would be very hectic to those that like it for competitive FPS play. So either ASUS or NVIDIA needs to get on the ball and resolve this.
Overall I think this is a very nice display and I don't regret buying these at all. I can already tell the difference in games vs my IPS display and I don't ever plan to go back to a display that doesn't have G-Sync for gaming. It really is a game changer and NVIDIA deserves a lot of credit for being first to tackle this long standing problem. The display design is fantastic, I love the red LED at the bottom that changes (something called color in motion).
EDIT: 12/26/14
Got both of my Swift PG278Q's in and ran them both through the usual gamut of tests for inversion, gamma accuracy (both are near 2.0), back light bleed, dead pixels etc. Happy to report that neither has any issues, just very minor edge light bleed on one of them on a black background but it's not visible at all during normal use even in the dark.
http://youtu.be/jd0nZG51TcQ

System specifications:
-------------------------
CPU: Intel 3770K@4.5 GHz
GPU: EVGA Titan SC SLI @ +216 core and +230 memory running a custom Tech|Inferno vbios.
HD: Samsung 840 500 GB SSD
Ram: 16 GB 2133 MHz
Initial impressions:
------------------------
NVIDIA G-SYNC: Pretty damn nice, even at high framerates in games like Far Cry 4, I instantly noticed the difference coming from my 10 bit LG display. With the LG, I was getting constant tearing and stuttering at 1440p with max details (fps from 40-60+) but with G-Sync enabled, it was smooth as butter with no tearing. NVIDIA really knocked it out of the ballpark with this one.
ULMB: As expected, it's decent but it didn't blow me away like G-Sync does. Furthermore it also dims the display too much for my liking so I doubt I'll be using it too much, even in FPS games.
Color reproduction: I lent my calibration tool to a buddy of mine so I haven't done any hardware calibration but based on visual calibration, I used the NVCP and adjusted brightness to 47% and kept contrast at 50% and raised DV up slightly to 55%. Next to my LG display, it doesn't look bad at all -- at least not NEARLY as bad as I was expecting it to be. No doubt the LG looks better but that's because it's a wide gamut panel so when it's set down to sRGB, there's not much difference between the two.
Viewing angles: Off axis horizontal viewing angles do shift if you move your head from right to left but it's really not too bad. It's a bit worse than my LG IPS but I sit in front of my display with a centered view so I doubt it'll ever bother me.
OSD: Wow..what a joy compared to my LG's capacitive buttons! The joystick makes navigating the OSD a breeze and I'm surprised most manufacturers don't take the same approach. The side of the panel also has a built in cheat crosshair function that you can toggle (though it's too big IMO) as well as some timer. I MIGHT use the crosshair in some game modes that have it disabled but I doubt I'll make use of the timer. It also has a button to quickly change refresh rates but again I doubt I'll use that since I'm going to set it at 144 Hz and leave it there.
Issues (possibly driver or firmware): The display gets stuck on G-Sync and I have to pull the power plug to enable ULMB from the OSD. While this isn't a big deal for me because I don't plan to use ULMB much if at all in the future, it would be very hectic to those that like it for competitive FPS play. So either ASUS or NVIDIA needs to get on the ball and resolve this.
Overall I think this is a very nice display and I don't regret buying these at all. I can already tell the difference in games vs my IPS display and I don't ever plan to go back to a display that doesn't have G-Sync for gaming. It really is a game changer and NVIDIA deserves a lot of credit for being first to tackle this long standing problem. The display design is fantastic, I love the red LED at the bottom that changes (something called color in motion).
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