I can totally agree with cackalak about the KM geometry. I think the shorter wheelbase is important for handling.
I'm now looking at other 29ers that are steel framed. I was back and forth on the aluminum frame, but I think the steel will hold up better.
Also, after reading some different fork reviews, I'm was thinking about the White Brothers Rock Solid,http://www.mountainracingproducts.com/white-brothers/rock-solid/]
http://www.mountainracingproducts.com/white-brothers/rock-solid/, but since the stock KM fork is only 1lb heavier I guess I'll run that if I end up getting the KM.
I also emailed Surly to find out more about the frame weight since I couldn't find the weight listed anywhere online. I also asked them to throw a stock 18inch on a scale for me. I'll post that info if they get back to me with it.
I looked at the Kona Unit and it seems like a good bike.
I appreciate all the feedback.