If you don't mind a little self-promotion, an article I wrote for SSC on this topic:
http://www.sqlservercentral.com/articles/Career/71608/
Edit: Whoops, wrong one.
http://www.sqlservercentral.com/articles/Career/73400/
Never stop learning, even if it hurts. Ego bruises are practically mandatory as you learn unless you've never risked enough to make a mistake.
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