Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
just dropped some Crucial 8GB (2x4GB) into my same exact machine couple days ago. got it from newegg for cheap. working great so far
 
I used 10600 in mine. Either should work fine. I only went with the faster RAM because it was cheaper at Fry's.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.