Costco is selling the Garmin nuvi 250W for $399.99 - $100 instant coupon = $299.99!
The nuvi 250W features a 4.3" Widescreen Touch display, preloaded maps for North America, and a 5 hour battery.
Comes with: nuvi 250W GPS, suction cup mount, power cable, dashboard disk, and manual.
Note that if you are not a Costco member, you'll have to fork over a 5% surcharge making the deal not all that worth it.
Link to Garmin nuvi 250W GPS for $299.99