Tournament bankroll

Hi
I've read lots on ring game bankrolls, e.g. 300 * BB for limit and 500-600 or more * BB for no limit. Is there any similar theory on tournament bankroll:
(a) for single tables;
(b) 2-3 multi table tourneys; and/or
(c) large 200+ player multi table tourneys?

Thanks

Linky (http://forumserver.twoplustwo.com/showthreaded.php?Cat=&Number=2840993&page=0&view=c ollapsed&sb=5&o=14&vc=1) <--sorry if this is somewhat rude, but I just think this is the funniest post ever.