Not sure what you mean, but if you go to the Specifications section of the Main page you'll find a bunch of details about each SeaCraft model on pages that look something like this:
http://www.classicseacraft.com/20.htm
There are also a brochures in the Articles/Literature section. Just start reading. Lot of good sh!+ here.
As far as what you need on a boat other than DMV and Coast Guard requirements, that's up to youthat's up to you.