This deal has ended.
Amazon still has the HP iPaq 310 Portable GPS Navigator on sale for $299.99. This system features a SiRFtitan 600MHz dual core processor, 4.3" display screen, 128MB DDR memory, 2GB flash storage, and preloaded maps of the US and Canada (with over 12 million points of interest). HP is currently selling it on their own site for $450. Plus, delivery is free and there's no sales tax (except KS, ND, WA).