Freestyles are garbage. If you're looking for the cheapest bindings possible, I'd suggest the Flux SE30 (or last year's Super Emblem), Union Flite, Rome Shift.
16 Gnu Swallow Tail Carver . 16 NS West . 15 NS Snowtrooper BIA
16 Burton Genesis X . 15 Now Drive
16 Flow Talon . 14 Flow Hylite