Wakesurfers by Hyperlite, Liquid Force, and Ronix can be a cool option. They are oversized skim boards IMO with fins and have the added bonus of a foam deck over the top for traction.
Compared to skim boards, they are priced well under.
http://www.watersportswest.com/shopc...te&ppinc=menu1
Check out our website if you haven't had a chance.