What do you think of the Burton custom bindings?
badbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadba dbadbadbad. Burton's entry level binding. It's pure cheap plastic and it's not meant for anyone who knows how to get off a lift without falling.
do what jmac said and grab Arsenals. They are all over Google Shopping for <100. And the K2 Podium is a good value-for-money freeride board.