I've been really happy with my Wegner setup. I don't know how they compare in terms of being compact with the Vintage Air setup, but it has to be pretty close. Mine does have AC, but I know they have plenty of kits such that you can determine which works best for you.
http://s41657.storefront-solutions.c...?CategoryID=38
The WAK-033 kit is really nice because of the high-wrap on the PS pulley, although it does have AC.