Volume is a crutch.
So is plastic. The Angst planing hull squirt boat is the coolest thing since that goo you squeeze on your ice cream that turns into a hard shell. The Angst has inspired a resurgence in new squirt designs. Many of these boats are designed around surfing as the primary aspect. Beware that the wider and flatter you go, the more you are locking yourself into one dimension and missing the beauty of squirting.