Callaway upro GPS
Golf Gear mentioned in this thread:
I've had one for a couple of years now. In the beginning support was awful and loaded courses was a pain. Now it's a little, very little, better. But it is very unreliable. It will just shut down for no reason mid round. I have to pull the battery and restart it. When it works it works well but it pisses me off often. I carry my rangefinder as a back up but still prefer GPS. Would not buy from calloway again.
* I can't load courses via WINE (or any other Windows emulator in Linux/Ubuntu), despite a company rep saying I'd be able to before I bought it. As a result, I have an old Windows machine that I keep around and plug in when I need to load another course.
* Battery life - can't really play 36 in a day with it. If I charge it to full, it plays 18 easily though
* Hazard marking is kind of weird.
* Time is off each time. Seems to always start up at 11:38.
I've had mine for almost a year. Occasionally, it will not want to start up and I will have to take the battery out and reinstall. Other than that, I have had no complaint with it and it seems to be very accurate compared to a buddy's laser rangefinder.
I have not tried to update a course though, other than the sync updates it does when I plug it in to my computer.