Attached Link: Gnomon Workshop

Here is a site that specializes in training. Gnomon Workshop. Check this list of DVD's, it's as good as a library for higher end applications, which also has example imagery. Keep in mind this is pretty much a professional level, though it's a good mix of choices along with what you can find here at Renderosity.

Good Luck and Welcome aboard!!
ICM

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Ockham's razor- It's that simple