Originally Posted by
weavers
sounds like a cyclocross would be a better choice for you, with one you can tackle off road trails(not rock climbing, but off mup) put fenders on, you can get nice wide tires and you still have the drop down handle bars for strong headwinds or when you wanna go fast.
Originally Posted by
caloso
I thought about mentioning SS cyclocross bikes, but I thought it make the OP's decision harder still.
The Motobecane the OP linked to is a single-speed cyclocross bike. I think there is a thread about it on the singlespeed/fixed forum.
Any mountainbike at a similar price point will be heavy and have crappy components.