New behavior for the Price field:
On the album submit/edit pages, you'll notice a new checkbox by the price field called "The Price is Unknown." Please use this to mark albums where you don't know the price.
If the "Price Unknown" field is unchecked, and the price is entered as 0, then the price displays as "free."
For promo/enclosures, a price field of "0" is now displayed as "Not for Sale." If a nonzero price is entered, then it is displayed as "$x.xx (Package Price)", since the only way a promo has a price is when you are giving the price for the whole game.
So now, the truly 'free' albums need to be modified so that they display as free. I took care of this one, but there's more to go:
http://www.vgmdb.net/db/albums.php?id=4608