Here are a few more choices for Bluetooth GPS units in case you want to compare some or if your on a budget ...
CoPilot Bluetooth GPS
199.00
http://www.mobileplanet.com/product....0730&listing=1
GlobalSat Bluetooth GPS
209.00
http://www.semsons.com/gloabbluetgp.html
Fortuna Bluetooth GPSmart
239.99
http://www.semsons.com/itwit2pic.html