Ok..........been playing WoW now for awhile on a 20" iSight iMac with 1gb of ram. My frame rates are usually fine.........anywhere between 30 to 50 fps when I'm outside, but..........in major cities, especially at peak times, as well as in raids where there is a lot of mobs and action going on, my frame rate drops into the low teens and gets choppy as hell. All video settings are at default. If I jacked up my memory from 1gb to 1.5gb, would that make a big difference in the frame rate issue? My latency is just fine.