Ultimate iPhone GPS receiver

Bluetooth GPS Keychain

-$99
-Tiny 1.54" x 1.3" x 0.79" size (use as a keychain)
-Works up to 30 feet away (including through your pocket)
-10 hour battery life
-USB or Cigarette Adapter charging
-SiRF Star III GPS chip (same at TomTom)
-Supports up to 20 satellites simultaneously
-Compatible with Google Maps

Product Page (outdated link removed)

cool.

Available in June. Nice matte finish so it doesn't accumulate fingerprints. Mobile Planet has it on pre-order for $100.95: (stock email alerts available)

mobileplanet/p.aspx?i=147694&partner=froogle (outdated link removed)