Later this month, T-Mobile G1 users will be able to navigate their destination using a new full-color, 3D, turn-by-turn GPS navigation service from TeleNav. The new service will be available February 24 and will include speech recognition, traffic alerts with one-click rerouting, more than 10 million business listings, gas prices, weather updates, and restaurant reviews. TeleNav GPS Navigator displays full-color 3D moving maps and also provides voice and on-screen turn-by-turn driving directions. You can view