Boardbound.com.au is an Aussie site dedicated to selling any type of board.
For the month of September they are donating all proceeds from public listings to charity (Disabled Surfers Australia)
They have also created a 20% off voucher for Surfing Waves members only - valid for the next 20 listings (expires 31/08/2010)!
the coupon code is: swaves20
Check them out at http://www.boardbound.com.au