Ariens are great, unless you have one of the better models with the cable control for the chute. It gets cold, they freeze and they completely stop working. I can't believe there isn't a recall on it.. Everyone I know with one of the higher end models has this problem.. Other then that, you can't beat them.
I'm glad I got the 820 model, no cables to freeze up, just a manual crank to turn the chute...