http://www .mediummachinery. com/
Cheap being under <$500 . I didn't see a price there, but with a $100 discount, I'm betting its still out of my price range

I was looking at a drill-press style one, but the shot size was too small for a plate

But if one of you guys wants to pick this project up....
...maybe the next game will some with a nice molded tray.