Screw cheap ones, how about nice polo shirts with canncom on one side and our username on the other, like car salesmen?
They would have to be GREEEEN!
MAn that would not be good; I think most of us enjoy a certain amount of anonymity... but...

Oh and edit... is it my imagination that there is an unusually high concentration of Massachusetts canncom members? Small state too... we should be TRIPPING over each other at the hempfest this weekend.