Topsy Turvy

This is for the folks at Surfer Magazine.  I present to you the following counter arguments.

A.  Reverse/negative nose rocker and fin on top.  David Nuuhiwa:

B.  Reverse/negative rocker, tail pad on the bottom, fins on top.  PK:

C.  Negative rocker, fins on top, and loving it.  Dolphin:

Dolphin photo from here:  http://www.flickr.com/photos/snarkphoto/2798308604/

Somewhere out there is a shot of Machado (if memory serves) on his board upside down trimming down the line.

So, what design elements work?  All of them.