Panther

It almost looks the same as the Skater 39 to me.

Sonicdriver

The forward steps would work when the bow dips into oncoming waves. I think this is a good idea.

Reckless32

It is Sunsation's new 43 or aka F-4. I beleive the forward steps also helps the bow skid thru a turn a bit to prevent a hard bow steer. The 32 Innovator has it as well.

Mentalpause

The forward steps, or notches are for eye candy only. They do nothing, but they look cool. It is now being placed on all Sunsation hulls - kind of a signature thing.

If you go over to the Sunsation forum you can find a thread that has been running for several months that follows the build process of this plug.