The key to look for in a gaming monitor is response time. 2ms (milliseconds) is pretty good these days. Anything less than 5ms will do. I got my 27 inch Samsung P2770H at Costco for about $300. It has a 2ms response time and does a great job at 1080p resolution. (FYI the P2770HD is a TV, while the P2770H is a monitor.) One last consideration, for the future, is to think about getting a 120Hz monitor in order to be able to play 3D games and movies.