personal preference: (i don't think anyone would dispute Dragon/Steel/Water as the "Competitive Three")
While water is number three Dragon and Steel are on a whole other tier. I remember for a time in DPP people were making 3 Dragon/3 Steel teams.
--
BOP Results: http://charmander6000.webs.com/GotD%20BOP.xls
Congratulations to Black Turtle for winning the guru contest.