Yea COMPUSA should do fine, although they might charge you some insane price for some screws. If there's a local computer shop, you'll probably find the best deal. I went to buy an ethernet cable at best buy and it was $60 for a 100ft. cable. I went to a local shop and got a 100ft. cable for $12.
AMD 64 3200+ Newcastle@ 2.2Ghz
1GB (1x1GB) OCZ Performance Series
ATI X700 Pro 256MB OC\'d 475/525
OCZ Modstream 520W
Samsung 914v 19\" 12ms LCD
SB X-Fi w/ Logitech Z 5300e