xGPS rocks! The newest beta 1.2 of xGPS uses Google’s map documents and adds it’s own navigation readout and a voice engine. that app has the ability to download map ahead of date and additionally supporting several external GPS modules so that the original iPhone and iPod Touch users can additionally enjoy that cool experience.
The voice navigation is great. The voice engine is pretty accurate and although it has some issues with a few words and abbreviations for the most part the
voice directions are clear and easily understandable. More at; http://gadgethobby.com/xgps-turn-by-turn-voice-navigation-on-jailbroken-iphone/
EXPERIENCE IS NOT WHAT HAPPENS TO A MAN BUT IT IS WHAT A MAN DOES WITH WHAT HAPPENS TO HIM