Well, I haven't started anything yet, but in my quest for the ultimate garage I looked at as many options as possible. I thought about getting a lift to help me play musical cars but then I just didn't like the idea of that after working around having 3 cars in my current 2.5 stall set up. So now I'm in the process of designing my new house (current ones for sale) and I'm looking into doing a double decker set up. I'll have a three stall garage on the upper level with garage doors for each bay and then a drive going down to the lower level out back with a single stall garage door to access the lower three stall area. I really can't wait, my neighbor a couple lots down is doing this now which gave me the idea. His looks pretty good, they havn't poured the final pads yet, but I like what I see so far. One benefit I can think of is when washing my car in the summer, that basement area has got to be very cool being that it's down in the ground.