Tiger Direct has an Acer Aspire 3690 2900 Refurbished Notebook PC for only $400. It comes with a 1.6 Ghz Celeron M processor, 512mb of RAM, a 60GB hard drive, wireless g, a 15 inch screen, and a CDRW/DVD combo drive.

Tiger Directs has a bunch of great deals on laptops. Check out their List of Cheapest Laptops.