I'd say that's not what I experience with our customers..as far as dry time concerns.
They are much more concerned about "how long does it take to dry", than how it will be cleaned and what machine/method will be used. But of course there is always the method shopper, that wants to make sure we only use -"steam clean" or we only- "do that dry clean kinda clean".
I think most of us professionals could get a job (very well) done with a $40.00 vacuum cleaner and a $30.00 shop vac and some total basic detergent/cleaning agent.
As far as Ray bringing up the fact that there may be more of those little extractors in use than truckmounts: So what? Does that supposed to mean anything to the top professionals around here? Who cares.....?
It is like going on the european supercar forums and making a point: there are a lot more skateboards being sold and used than all the Lambo/Ferrari/Rolls/insert any top euro make..... Yes you can go from L A to Vegas in a luxury car or sports car and you CAN make it there on a skateboard....How your experience will compare when you get there, is what makes the real difference.