Originally Posted by Greyfox2

There are two major features that could get me to upgrade from my 305 to the 500, and I'm not sure either are there:

1. More memory, to eliminate the problem of the device overwriting the gps points on long, multi-day trips. As an alternative, a slot for a flash drive or sd card would be nice.
2. The eliminateion of the persistent problem of the thing shutting off in mid-ride if you hit a little bump. This is reported by enough people that I realize it isn't just a quirk of mine.

If they've fixed these, I'll be lining up with my checkbook.