I switched about a month ago from the 6700 to the Q.
The battery died very quick, the unit froze all the time, shut down on its own, and had to be reset 4+ times a day. After 1 week I took it back to my dealer and got a new Q.
TOTALLY different story now.
I power use my Q, and only charge it at night. I only use the standard battery (to keep it small), and I have yet to reset this new unit.
I had to get 1 lemon, but this new one ROCKS!
It's a bit of an adjustment going from a touch screen to none, but you get used to it quickly.

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GO OILERS GO!!!!!!