It's time to sell some demo gear and recoup some $, if brand new in the plastic is your preference then always check out your local LF dealers (ie: GLK; Detroit Kiteboarding; Red Belly Boardshop, etc.):

08 10M Havoc2 Complete - Excellent condition, can't go wrong with this one.
08 12M Session Complete - Excellent condition, Big D, bring it.
08 15M Hi Fi Complete - This one is for hot Karl.
07 19M Assault2 Complete - Excellent condition, Harris, this ones for you.

PM offers anytime but do some research first.