buy the lowest price stick. It'll be CL [CAS] 3 but who cares. pay $30 more and never see the difference.
Music places no real demand on the system.
I am a bit confused on which corsair memory to buy for my pc. There are so many types of the same 512mb module ram from corsair so I need help from an expert to help me choose. I dont use my pc for gaming; just for mp3's and and other programs. Please help out.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic