George, welcome to the forums.
It would not only be an excellent brush on which to learn but an excellent brush all around. I have a Badger 200 and it works extremely well. You can get both braod coverage and fine line detail with it, and being single action, you won't be needing to develop you trigger finger skill while simulataneously learning everything else there is to know about airbrushing. When you have specific questions that come up, ask away, there are a lot of knowledgeable people here.
Andy