I've been a Rainbow user since 1988, starting with a refurbished model, and totally amazed at how well it picked up the deeper dirt from the carpets of rental units.  Finally purchased my very own new unit with all attachments and shampooer and couldn't believe how much cleaner my carpets looked after being really vacuumed by such an excellent system.  When all kids were out of the house and we downsized, I splurged and purchased a new Series E Rainbow Cleaning System and even though I take what it can do for granted, my appreciation for Rainbow's quality product is still intact. 

I've always...