First, you got Jason Ryan's tutorials at jasonryananimation.com (and there a ton of them there).
There are also webinars available, which kick some serious butt! If you go to jrawebinar.com, you have a great selection:
Jason Ryan Four Legged Series
Ken Fountain Animating a Basic Acting Shot
Jamaal Bradley acting shot walk-through
There's a lot more to check out, so don't miss it!