Aligulac.com – Rating of progamers, progaming statistics and predictions.
GGtracker.com – Upload and analyse your own replays – and some statistics per league and race
Do you macro like a pro? – TL post with statistics about macro per league
Scientifically measuring mining speed – TL post with data about worker mining speed
Sc2gears – TL post about the replay analysis tool Sc2gears
SC2Ranks.com – All sc2 battlenet profiles in one place