I am a big AoPS fan but one advantage that I have learned of recently that CTY online classes have (as I was told ) is that the CTY classes are self paced.
I think that the AoPS approach provides depth and breadth that the others classes may not but different strokes for different folks...
Google rusczyk and 'calculus trap' - resonated with meat least.
It isn't a race to be first past the post as much as a treasure hunt where the answers to the clues you find will serve you well for the rest of your days - is the way that I see things now after reading his article.
