To be honest, this may have been posted before, but this is some good stuff: http://www.pokerstrategy.com/strategy/weekly-sng/
The stuff here should honestly be stickied or put into the SNG Section in Strategy (where I usually go foraging).
Sorry if this is a repost, but the quizzes mimic decisions I face very often - plus the columns are extremely useful. (the EV example + the Harman hand are great!)