i guess you go could with 2 of these, they are on sale and are even cheaper, $33.99 each! if you dont want to pay for shipping just walk in to any ncix.
http://www.ncix.com/products/index.p...Y&promoid=1029
previously i was quoting the following 4gb ram kit... buying ram in matched pairs/kits does have its advantages but you probably wont notice difference except for the extra $100 missing from your wallet.
http://www.ncix.com/products/index.p...acture=Corsair