I've heard a few different stories about the whole 9 yards thing.
I'd be cool and provide a <a href="http://www.google.com/search?hl=en&ie=UTF-8&oe=UTF-8&q=%22whole+nine+yards%22+etymology&btnI=I%27m+Feeling+Lucky">good</a> link explaining the confusion about it, but I'm pretty lazy.