1. Everything should be fun
4. Item management should be simple
6. Style should shine through
7. Everyone should leave every session jazzed about the game
8. It's okay to make changes after the campaign begin

A lot of these lessons are really just traits of the game system. A game system will encourage a certain style of play and if that style is not something you can groove to, then the experience won't be that great. So perhaps the real lesson here is use a system that rocks, and your game will be great.

For an intresting article on this concept please read http://www.indie-rpgs.com/_articles/system_does_ma tter.html