This board here http://www.swaylocks.com/resources/detail_page.cgi?ID=196 has caught my eye.
Yes, it’s a bit flat for what I want to try.
Yes, 2" of rocker on each side seams to be what I’m shooting for.
Here is the blank I’m thinking of carving up. http://www.foamez.com/store/productDetails.cfm?prodID=241&prodIDCat=41