Rainbow changed my life for the better.  I was getting a sore back and serious bouts of depression because I tried so hard to clean house with mop and regular vacuum and was never satisfied with the results. I could not get the pet hair out of corners or the grit out of the grout lines in the tile.  Carpet spots were driving me crazy.  Then I got a call from a the Rainbow lady. Halfway through her demo I was ready to buy. That was over a year ago and I have been so much happier because now when I work to clean, I get results.  Yes the machine has a couple of things I would change as far as...