Cheap Airbrush?

[toooldskool]

For painting the occasional shell- whats best/most convenient- Gravity or Syphon?

[jonmiller]

double action gravity is the prefered choice by most

[eyeayen]

+1 Definitely the best way to go !

[bigred5765]

+2 defo gravity feed and dual action the ab180 is what i started of with
theres some good stuff at clicky (http://www.everythingairbrush.com/acatalog/Gravity_Feed.html)
or search for some bargains on fleabay