I am considering a drz 400, wr 400, and the xr400. I have very litle experience on dirt bikes and a little more then that on quads. I intend to ride mostly for fun and no racing or big-air jumps (ok maybe little ones). I live in the south west with sandy conditions that are mostly wide open. I am about 6' and 170 lbs. I want a bike that's tame enough to learn on but not a dog that I will grow out of. I really liked the reliability of the xr 400. Is the xr going to be too much bike for me?