For memory, you'll be wanting at least 6 GB of DDR3-1600. That's pretty easy to find tehse days, but I'd stick with Corsair, OCZ, or Crucial. I believe I've got OCZ DDR3-1600 8-8-8 XDR in mine. XDR makes it a little easier to set memory timings, but really, memory latency doesn't make that much of a real world difference.

I am the Doctor, and THIS... is my SPOON!