I have a drive on 4 post muffler shop type lift I have freinds who have both, the two post do make working on the bottoms of cars a little easier like doing brake jobs or some other job that requires removing the wheels and tires, setting them up can be a pain on a new vechicle that you haven't had on that lift though
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
I have freinds who have both, the two post do make working on the bottoms of cars a little easier like doing brake jobs or some other job that requires removing the wheels and tires, setting them up can be a pain on a new vechicle that you haven't had on that lift though 
