http://forumserver.twoplustwo.com/po...p;Board=otherp
Try the "other poker" forum above for some of the questions and answers with more detail. There are always threads about obscure and various games up there.
As for these:
1: none in Vegas
3: stud games usually have antes
4: lammers or rotating button to mark the number, when it gets back to the 1 seat (8 handed game), the game changes
5: can be either upon request of the players, unanimous decision usually required, otherwise O8.