I'm really starting to think that the problem is in the antennas. I've never had a problem getting a lock pretty fast, yes lock, not agps approximate. However, it's getting it to keep a lock that is the problem. I always had the dreaded blue circle, or out right gps signal lost. However, for about 3 days straight it has been sunny. And for the first time I tried putting the phone up near the console, back outward and not downward, and it has been perfect. No circle, no lag, no problems. I never had to do this with my other phones. Hell, my WinMo device that I frequently use as bluetooth gps receiver works fine in the passenger seat, or floorboard for that matter. It just seems as if it has to be perfect conditions for the phone get decent gps reception, which to me seems like antenna problems.
Sent from my SAMSUNG-SGH-I897 running Cognition.