I bought a 3 gallon can last year with about 5 or 6 little tridents from him. The biggest was about 1 1/2-2" at the base. I bought mine to start working towards a forrest in the future, even if it is a small one. When I finally separated the trees, I noticed they were all layers. I've gone through most of his stock over the past year or so, and most of the tridents that look like that are layers. Some trees have layers on them from '09. As far as the tridents, if its under 3", its probably a layer. Most of his maples either go from stick size, to 1-3", to quite a big larger. And anything smaller is almost guaranteed to be a layer. He has layers everywhere.
As far as your tree, I want to play devils advocate and say broom style, but there are much wiser and more interesting suggestions here.