Dr Leaf And Lawn Vacuum

If yes who does it and what are the prices?

There are many. The Cyclone Rake is very popular.
http://www.cyclonerake.com/index.htm
Dr.Leaf is also popular.
http://www.drpower.com/twoStepInquiry.as ...
Here is a man reviewing court.
http://landscaping.about.com/cs/lawns/gr ...

I assume you mean the gathering, so yes, you can get them for riding and pushing mowers.I never seen a leaf blower, riding, if such a thing, it is probably Commercial and would be cost prohibitive and impractical for the owner.