+ 1 on the note taking/journal idea, I printed off log sheets from the VWBB (http://www.virtualweberbullet.com/cookinglog.html
) and kept track of my first dozen or so smokes until I was confident enough to wing it.
Sometimes I wish I had carried on with this as there's always that time they turned out perfect you can't that recreate when not taking notes.
Have fun and enjoy your WSM - they do run better with beer in hand and a crazy lopsided smoke induced smile on your face!
22" WSM, 22" OTG, Jumbo Joe, WSJ, Mini WSM, WGA, Maverick ET-732, Red Thermapen and a twelve year old gasser which hasn't come out of the shed since I got a taste of charcoal!