I'm in the market for a compact snow blower. I checked the Ariens website and did not see a 724E. Only a 624E and a 520. Can anyone confirm? Any recommendations for a machine of similar size and price ($800). I would consider a good used machine. I've got a 50 x 20 driveway and 100 feet of walk. I typically get 3-5 storms up to 8" in the season.