Build a PC for $500 with good components. Recommendations?

What parts would you use, where would you buy them?
Update: What PARTS would YOU use?
What PARTS would YOU use?
What PARTS would YOU use?
Update 2: Three answers and no opinions on what they would use. I can find info at toms hardware, cnet, pcworld too. Don't you pepole have any opinions of your own?
8 answers 8