My point is that the Friday (I have a Pocket Rocket) does not feel as though you are riding small wheels. The llama is their MTB option, but there are others that work for rough roads rather than off road -- I'd look at the NWT if you've got the budget for it. I've taken mine over some pretty big potholes, and mine is supposed to be a road bike.
You could always try a test ride somewhere.
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Zero gallons to the mile