I have some new gigs coming up next year where I perform in up to 3 different locations withing the same building. I have had a few of these in the past, and just tore it down, put it back on my cart (walmart), rolled to the new location and set it up again. I was looking on line at the Rock & Roller carts, with an optional shelf. Wondering if this may be a possible way to leave everything pretty much hooked up, keyboard on the shelf, speaker and accesories underneath, and roll to the new area for the next performance. Anyone had any experience with the Rock & Roller with the shelf? Wondering if it may be more trouple than it is worth. Any input on how others handle this type of gig would be appreciated. Thanks, Gary.