Doesn't slide on carpet as easily as the original tool.
This product was lighter weight and a little smaller then the original product.
Buttons to change between settings are hard to push. Our old combo tool that this one replaced was much easier to switch between settings. Construction appears to be much "cheaper" than the old model, too. I don't expect this to last as long (old one lasted about 15 years of regular use).
If you don't hold the tool perfectly upright it escapes the floor, and since I use it on wood I have to be real careful.
Wasn't as long as I had anticipated.