I agree with all of the points you guys have made. Here is some more tiller info to consider on kubota tillers, I recently purchased a 50" RC kubota tiller (the tines spin against the tractor, the tiller works great but these do require more horsepower! The cost of a new one is pretty high but the thing is built like a tank. Buy the way I bought mine used, it was only $600. Just another thought on tillers, hope it's helpful.
Mike
Mike