There is a new 560TI card coming out next week(Nov 29) based off the 570 card. It will have more shaders, memory bandwidth, and memory 1.25gb. This is the card i'm looking at for BF3. But it may also drive the current 560 and 560TI down in price.
Phenom II x6 @3.75, 8gb G.Skill DDR3 1600, Asus M4A79XTD Evo, AMD 5870, 74GB WD Raptor
250x15, NB/HT @ 3000, Cooler Master Hyper 212 EVo