Hey guys. I've been lurking around the forums for a while now, but this is my first post; lets hope i didn't screw anything up!
So this is the build I came up with after a couple days of research. Since this is my first build it's probably not optimized as well as it could be. So please, leave suggestions!
Approximate Purchase Date: Mid April
Budget Range: $1200 USD before rebates
System Usage from Most to Least Important: gaming, surfing the internet, watching movies
Parts Not Required: keyboard, mouse, monitor, speakers, case, OS (Windows 7, 64-bit).
Preferred Website(s) for Parts: Newegg.com
Country of Origin: USA
Parts Preferences: Intel (Sandy Bridge) CPU with ASUS MB
I know I know, you want Asus. Just know that Asrock is a subsidiary of Asus and performs just as good for cheaper. In fact, the 80$ saved can go towards the i7 2600K. If you don't need the 2600K, allocate the 80$ for SLI 560 Ti's. The reason I suggest this over CF 6950 is because the 560's run quieter and cooler than the 6950 by a LONG SHOT.
Check out my build guide below for more suggestions.
For my money, since I just purchased parts for a similar budget build (actually less since I had to include the case and OS in my budget) I would drop down to the ASUS P8P67 Pro for 189.99 (I snagged one at MicroCenter, they're becoming more available).
Additionally, switch to either the XFX suggested or drop down to 750w, because I don't see anything there that would draw 850w.
If your primary motivations are gaming you won't see any (very small) from switching to the i7 2600k, so IMO, put it toward a GPU and upgrade to a GTX 570 (EVGA is a good brand) and you'll have the option to SLI if you want to in the future.