These are not mine, and I know nothing about them, other than there are several people doing restorations right now, and gcarter speaks very highly of the advantages they bring to restorations.
http://grandrapids.craigslist.org/boa/4081476124.html
Yard Arm Boat Dollies - $250 (Oakland)
2 heavy duty boat dollies ,I've set 30ft boats on these and two guys can push the boat around the shop,made by Yard Arm $250.00 call 810-523-8056 prefect for winter projects.