Originally Posted by MenacingTuba
A single 580 is too slow for most newer games with high settings. I used a single 480 for a while and my FPS was pitiful in some games. 2x 480/5870's+ is a good starting place to run a 2560x1440 display on high settings in all games. A single 680 or 7970 is ideal. I'm using a 4gb 680 and a gtx 480 for phsyX and I get better performance (less/no micro stutter, higher fps in many games and more stable+higher minimum fps) vs my previous sli 480 set up which I had heavily oc'd.
Only gamers coming displays they know+ purposefully bought for low input lag goodness, CRT users and 120hz owners will have an issue with a 1440p PLS/IPS display for gaming since the multi-input units all have around +/- 1 frame (17ms) of input lag.
I switched from a 120hz TN to a Samsung S27A850D (same as PB278Q) and found the input lag to be killer coming from a delay free 120hz TN. I had to reduce the control sensitivity greatly in most games so that I could aim properly.
I also own a near delay free 60hz IPS and have no problem switching between my 2x 1440p IPS/PLS displays now, both of which have 12-14ms of input lag. The difference is always noticeable when switching, but it's no longer an issue in my current games since I have turned down the sensitivity to a comfortable level.
I agree with this mostly. He said he would be playing things like Black Ops 2, and just wanted it to be playable on a 580. I bet he can get pretty good settings on games like that and be fine. BF3 at high, thats a different topic.
Ad for monitors, the main thing I want to do is get one that will be night and day difference from what I have. Coming from Eyefinity, a higher resolution single display has been very intriguing, but if most agree I would enjoy a 120 hz panel or an IPS panel a lot more than a higher res panel for gaming, I am defintely open to going that route. I've really done as much as I can with my rig where theres really not much to upgrade at this time that would yield a lot of significant differences, so monitor was the last leg.