Buy.com offers the refurbished 7.75-lb. Compaq nc6400 Intel Core 2 Duo 1.83GHz 14.1" Widescreen Notebook
, model no. RC454AW#ABA, for $284.99
with free shipping
. That's $315 off and the lowest total price we could find for this configuration, although we saw it for $5 less with only 1GB of RAM in October (since expired). Features include an Intel Core 2 Duo T5600 1.83GHz dual-core processor, 14.1" 1200x800 widescreen LCD, 2GB RAM, 80GB 5400 hard drive, DVD/CD-RW combo drive, 802.11a/g wireless, Gigabit Ethernet, media card reader, 6-cell battery, and Windows XP Professional.
Note: A 90-day warranty applies, although it's unclear who supports it.