Mine did this four or five times on the way home from work today. I have less than 100 miles on the clock of my G5. I think it even slipped into false neutral a couple of those times when I wasn't shifting.
I also noticed that the check engine light comes on while this is happening, then turns off when it finds a gear. Is it normal for the light to come on when this happens, or do I have deeper problems?
It's pretty annoying (and sorta dangerous) to pop out of gear in traffic. I didn't have this issue with my AVL or my previous G5.