I am searching online for comparisons and experience with the various car lifts available. I would appreciate any advice on particular brands and models. I will be raising a classic weighing over 5,000 lbs, maybe once a month to clean the underside and routine maintenance. Definitely 4-post with a caster option since I'm not going to be using it on a daily basis. One friend commented he liked Rotary better than Bendpak because the Bendpak he has requires a compressed air line. I'm going to resea