I use GPS Apps that cache maps for offline use (GPS chip still works).
iPhone for the win just because I can get a LifeProof case (waterproof/doesn't suck/not bulky)...plus the phone just works the way it's supposed to.
"turn it on man, turn it on-whatever, whoever you are-TURN THE FAWKER ON!" -Herbert Foster Gunnison
00 KTM 640 ADV