Excellent review. I think you hit on a problem with airbrushes that sometimes can be annoying- that the smaller bore will create nice, tight lines but at the expense of flow problems if the paint is on the thick side. I switched from a 0.3 to a 0.4 airbrush and even that small difference in needle size has made it easier when using Mig One Shot and Vallejo Primer. I think, for the price, having something like this with a changeable needle is a good investment.