Stern should just sell one complete version of a game, instead of this Pro, Premium, LE model they have going. I can't imagine there is more than around $100-200 difference in parts. When your talking about a game (Pro) that is $4-5k new, another $100-200 isn't going to break a sell.
Stern could probably cut that manufacturing cost down some anyways by only having 1 model to produce instead of 3 versions.
Then again, if it only cost them a couple hundred in parts, and they sell those versions for thousands more, good for them I guess.