Regularly $174.99, the GPSmile 55 is now only $134.99 at ecost.com after a $40 mail-in rebate. The GPSmile 55 has a 4.3″ Autoback Light Color LCD Display, pre-loaded with US maps, and features 3D mapping, an SD card slot, and a 5-9 hour battery life.  Added functionality comes in the form of a built-in MP3 player and photo viewer.
The unit also uses 400 MHz Samsung S3C2440A and a SiRFstarIII chipset to eliminate any blind spots and give you uninterrupted signal reception. Great value for your money!
