http://www.kilts-n-stuff.com/celtic-history/great-kilt-history.html
http://www.tartans.scotland.net/index.cfm.htm
Heres ye a coupla links t' find ye family tartan. Ye woundn't wanna be repesent'n the wrong clan.
Scots are a tough bunch and the festivals are fantastic fun.
Oh, and please don't get one of the modern kilts. Get a great kilt Thats the traditional one its 9 yards of wool.
"The whole nine yards" one of the links I gave ya has instructions on how to fold and wear.

I have no faith in human perfectability. I think that human exertion will have no appreciable effect upon humanity. Man is now only more active - not more happy - nor more wise, than he was 6000 years ago. Edgar Allan Poe