I use a DeVilbiss Finishline II HVLP gravity feed gun. I also just bought a Sata Minijet III HVLP but I haven't used it yet. For air brushing I use a Paasche VL dual action, suction feed, airbrush.
Here is a really good price on a DeVilbiss Finishline III HVLP gun:
http://www.handsontools.com/store/sh...roduct_id=2661
Here is a great price on the Sata Minijet III HVLP:
http://search.cartserver.com/search/...words=SAT53538