after 3 hand painted transformers, i was thinking about using airbrush and i found a Testors Mighty Mini kit at my local Wal-Mart. The question is, is this kit any good? will i buy this and regret it since i'm still a noob with airbrushing? should i buy something else before?something cheaper?(mighty mini are around 60$ CDN and i got 10% off on everything i buy at wal-mart).