Achieve an enhanced computing experience with a powerful Intel Core 2
Duo Processor1, 64-bit Genuine Windows Vista Home Premium SP1, 4GB of
onboard memory and 500Gb storage (2x250Gb).
Uprgrade to 2 x 500Gb drives for just $300.

Check out this excellent review of the Gateway MD-7818U - http://reviews.cnet.com/laptops/gateway-md7818u/4505-3121_7-33496190.html

Ex-Demo model, may have some cosmetic imperfections, but this doesnt affect performance. Carries a 6 month hardware warranty!!