Vacuduct Drainvac DF150

We have a Vacuduct AE1500 (see previous review) however our local dealer today invited us to a demonstration of the DF1A150 automatic, not only is it better than the AE1500 but you do not have to empty it. It does this automatically it shuts down for ten seconds and empties and starts again. You can use it by the pool and vacuum up water, snow and any wet stuff. We are going to sell our AE1500 and buy one of these what a great idea. Has any one else seen anything like this? Fantastic what next maybe a maid to use it.