Those are most likely 08/09 versions. I say that b/c I don't think distortions were around before that, and the date is prob the manufacture date. Brand new complete I'd say up to $100 is pretty damn reasonable. Those were like $250 retail when current.
16 NS West . 15 NS Snowtrooper BIA . 13 Salomon Pow Snake
15 Now Drive . 14 Burton Genesis
14 Flow Hylite