Choice #1
Case: You have
PSU: You have
MB: Asus P8Z68V-Pro $385 right now with 2500K CPU
CPU: 2500K
HD: WD 1TB Black $80
GPU: GTX 560Ti $240
RAM: Corsair 8 gig CL9 DDR3 1600 Dual Channel kit $60 ish
Total ~$765
MB and CPU combo on for $385 right now at memory express
Asus P8Z68-V PRO Motherboard w/ Intel Core
In that price range you are probably not going to be able to go SSD. Also, not sure if you need an OS or not but Win7 x64 pro is about $150 OEM and Home Premium is about $120 OEM
Doubling up the 460 might be a better option, should be able to find one for <$120 and SLId 460s will beat a single 560Ti..even the 768 Meg versions. you never mentioned what resolution you use though so hard to tell for sure.
On another note I would consider waiting a week or two to see what the Bulldozer release tomorrow does to prices.
Razz