Well it's no problem, I was just trying to give you some choices, since by default users always go for MyBB. You can take a look at some popular forumwares below, and tell me what you like the best? I've listed demo forums for MyBB, PhpBB, SMF and PunBB, lemme know which one you like the most:
MyBB:
http://www.opensourcecms.com/demo/1/117/MyBB
PHPBB:
http://www.try-phpbb.com/31x/
SMF:
http://www.opensourcecms.com/demo/1/125/SMF
PunBB:
http://www.opensourcecms.com/demo/1/123/PunBB