Drawing your own line, expressing your creativity on a wave is what the MS Flow model was designed for.  Here is what the man himself has to say:
"When I was designing this board I wanted to bring some old school Flow back into the range, with this template combined with modern materials you will love the seamless transitions from rail to rail " ~MS~
Specs: 
Core: 1.5PP Kinetic Polypro Core (PP)
Deck:Wavecushion Air 8lb PE Deck
Stringer: 1x Stringer
Slick: Surlyn Slick Skin
Channels: MS Vent
Tail: Crescent
Additional Features:
55/45 Double Rail
Nose Bulbs
Slick Mesh
Thumb Bar
Thumb Ridge
Nose Bulbs
Tail Piece