You could try Digital Tutors. There are enough demo videos for C4D that you can check them out and see if their style is right for you.
There's also Lynda.com.
And, of course, the Making It Look Great series.
I haven't tried Vertex Pusher yet, I'll check him out.
- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')
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