Acer via eBay offers the refurbished 5.7-lb. Gateway Intel Celeron Dual-Core 1.6GHz 15.6" LED-Backlit Widescreen Notebook
, model no. NV57H77u, for $249.99
with free shipping
. It's the least expensive Gateway dual-core laptop we've seen. (It's also $99 under a similarly configured new unit.) Features include an Intel Celeron B815 1.6GHz dual-core processor, 15.6" 1366x768 LED-backlit LCD display, 4GB RAM, 320GB hard drive, DVD burner, 802.11n wireless, and Windows 7 Home Premium 64-bit.
Note that no warranty information is provided.