The 250gig or 160gig upgrade

http://www.circuitcity.com/ssm/Computers-Office/sem/rpsm/Ntt/western+digital/Ntk/Challenger/searchType/user/Ntx/mode+matchallpartial/catOid/-12961/N/90000141+20012961+5216/link/ref/link/ref/rpem/ccd/sitewidesearch.do

which one should I get? or should I get seagate or other brands? I know theres been alot of threads like this but im realy desperate. btw, I got $170 for it. any recommendation?

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3540622&CatId=1277

$100

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3540622&CatId=1277

$100

TheSonOfUgly

how about this

http://www.officedepot.com/a/products/100205/Internal-Notebook-Hard-Drive-5400-RPM/