Dog's are really tricky to draw as well, you're absolutely right Jay abot the anatomy, I have problems as soon as I try to make something different than Pluto. You should have a look at Jay's showreel on his site Rhetoric Camel, he's got a really interesting shot of a talking CG dog in it.

For tut it sounds great then, I look forward to watching you go back and remake all those blendshapes Jay