I'm pretty tall and pretty good on a road bike. I mainly ride my fixie on the road because it's simple and nothin to mess with. I have a nice geared bike I use for longer 80+ mile trips, but it usually just collects dust.
I've been on a 26 inch Gary Fisher mountain bike for about 3 years and never seemed to get the hang of it. I'm always falling over and getting hurt. The trails in the park I use are very bumpy and full of tree roots and big rocks, so in my opinion they are slow and technical. Others opinions may vary a bit.
I feel like I'm always tipping over or having trouble because my center of gravity is so high off the ground and far away from the axles of the bike. Does that sound sensible?
I'm wanting to ditch the geared mountain bike thing. I never ride it. I've always wanted a 1x1 or a Karate Monkey and saw a guy with a 1x1 in the park yesterday and fell in love.
I just want something simple, light, and slow. I'm not in it for the sport of it, I just like to spend time in the woods and poke around.
Would I have a better time on a Karate Monkey being as tall as I am? I would run it single speed but the only other 29ers I have been around were full geared rigs and felt VERY heavy. Not interested in a 40lb bike.
If I get the 1x1 I can move most of the current bikes stuff to the new frame, wheels, tires, brakes, bars, etc. But if I'd be more fit the the KM in the long run, the extra money is worth it.