Ok, I'm going to assume that your budget is going to include the boots as well. So if that's the case, then get those first, then get the board and bindings. Take a look at the Rome Machine or Atomic Triarc paired with Rome 390's or Union bindings.
Rome 08 Machine 159:
Rome 08 390 Rust:
Burton 08 Moto White:
$640+$40 tax. $680 Total. Not bad considering I'm in love