All of the sticky threads in the 'Basic Growing' section for sure.

If you are growing Indoor, also the ones in 'Indoor Growing' and 'Indoor Lighting'

if you are growing Outdoor, all the ones in the 'Outdoor Growing'

I'd also recomend trying to following a grow log or 2 that uses a similiar setup to what you might want to use.

And I also recomend following the 'Plant Problems' section - you can learn a lot from reading about other peoples problems and be able to recognize when you are having problems yourself when you otherwise think its 'normal'