I can tell you for sure a regular width board will be fine, I ride both a Machete and DH2 with my 11 FUL's.
The easy answer is everyone loves the Machete, it's one of the most fun everywhere boards I've ridden. The DH2 has the same rocker profile with more carbon ie stiffer tip and tail for more pop.
As you probably know camber is more stable at high speed than rocker but thankfully the LowRise Rocker is just rockered enough to take the hook out and give you that playful fun feel without sacrificing landing lock or giving you rocker washout like other boards can.
I find myself having more fun in crappier conditions with LowRise Rocker.
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