Please do yourself a favor and avoid the TTR. My aunt had a TTR. I rode the bike and thought it would be a good bike for my girlfriend to learn on. Lets just say it did not end well. (not that it was the bikes fault)
Not enough power for the Michigan sand and the bike is very heavy. The suspension does not give a rider much room to grow and improve.
I know a few people who have been very happy with the KX100