Mr.Bitter's 12 Weeks - http://mrbitter.blip.tv/posts?view=archive&nsfw=dc
Great videos to watch if you have 2 hours to spare. Mostly Zerg based, but recently he has been doing other matchups.
Day[9] - Well duh. - http://day9tv.blip.tv/posts?view=archive&nsfw=dc
Just watch anything you'll learn something. Important Daily's include 100, 287, 285, 289, 269, 252, 257.
Team Liquid - http://www.teamliquid.net/
The epicentre of Starcraft 2 outside of Korea. Great community and TONS of streams of pro's and tournements to watch.
Ladder Tracking Spreadsheet - ask me for it :D
I have a great excel spreadsheet full of graphs and charts that track your ladder games. The one downside is you have to input the data yourself.
