At 1280x1024 CPU is the bottleneck or problem At 1680x1050 (1600x1200) the video card starts to become the bottleneck or problme. You said you want a 24" screen, which is fine but your CPU won't be limiting you, your video card will. It's just the way games work. There have been many articles showing that the most important thing for gaming is the video card, not the CPU. For example, at very high resolutions it doesn't matter which video card you have and how many, your video card just isn't powerful enough and all CPU's drop to the same frames per second.