No Limit 2-7 Single Draw is a very skillfull game. It's structure opens up for extreme bluffs. As others have said Omaha hi/lo is also a very good form of poker, but it takes a long time to master for someone that has never played poker before.
This. But as with most trading card games people who blow a lot of money on expensive and good cards usually come ahead by a little bit but not by much. Go go tourny rules!
Thats why I like draft tournaments, because everybody has a much more equal chance, everybody is picking from the same set of cards at the same time so its skill based both in deck building and play, instead of how much money you put in.