I have a really crappy single action suction fed airbrush that I've used with my big, noisy pancake compressor -- I probably had the pressure up too high when I did it as well. I had thought that all airbrushes were like that and only suited for doing base coating for vehicles and minis. (I did some Grey Knights that I thought turned out well in a grey mixed with Pearl Coat, but could only do base coating.)
After seeing some of the painting videos from places like TPC and APJ -- and getting scoffed at by Mathieu Fontaine -- I realized how wrong I was. I'd like to try some of the techniques for doing airbrushing of models, but I need better equipment. So, does anyone have any recommendations on airbrushes and/or hobby compressors? My understanding is that dual action is pretty much a must to get beyond base coating, and something that could go very narrow to broad would be good. Also, I think I read somewhere that gravity fed was better than suction fed, but can't find it again.