I really dig the Dastoli Brothers. They do some very nice visual effects work. And not just CG either, they have some very sweet miniature work too. The "tutorials" they do are super-advanced. I can only barely keep up with what they're talking about.
§Sydney Australia is like 14 hours ahead of NYC time. Scheduling a mutually agreeable time to live-record a commentary track (especially when most of your people on NY time are doing day jobs with evening theater) is quite an achievement.