The i5-3570 seems to be the most popular choice for gaming.
Hey there!
If you are using your third drive as a back-up, you may wish to consider RAID 1, as this automatically backs all your files up, while increasing the overall speed in load times while opening files and programs from the HDD. <snip>
the more fans you add the noisier it may get, if you are planning to SLI and/or wish to have better cooling then you could consider a full tower case like the storm trooper.OK Here's a slightly changed spec although I'm struggling with the choice of case as I want lots of fans for cooling