I also bought the original little green machine (the square one) back in the 90's. I got a fair amount of use out of it, primarily for stuff like car and furniture upholstery. Finally the detergent bottle cap broke and I never was able to fix it properly. When Costco had the updated version on sale last year, I got that one (the rounder kind). It's not the heating kind but I'm not sure I need that. I think the heating kind came out shortly after I got this one. This house is all hard flooring, with area rugs in the living room and one bedroom, and small scatter rugs by doorways etc. The throw rugs go into the washer if they get stained (like cat vomit) or too dirty for vacuuming. The new Little Green machine is still in its box, unopened, but I think it may make a debut spiffing up some car upholstery soon enough. It has a much nicer form factor than the original square version. And that older one went to Goodwill, where maybe someone can fix it.