Gnomon Workshop have released a new DVD on multipass rendering. It delves into the fairly advanced technique of rendering layers in 3d and then putting them together in a compositing package.

Teaches: Multipass rendering, Compositing
Detail: Comprehensive
Cost: $79.00 USD

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Andrzej Sykul over at cgsociety.com has created a quick overview of how he made his image, "A Trip To The Souk". It features insights and a very rough overview, that tends to emphasise light and some advanced rendering and compositing techniques. 

Teaches: Lighting Rendering Texturing Shading
Detail: Overview

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Another 3dtotal.com tutorial, this one shows the making of Boom by Guellermo Soria and features a texturing and UV overview of how the model's colors were applied.

Teaches: UV, texturing
Detail: Overview

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A nice little tutorial on the making of Kamran Saeed, by Saad Ahmed is up on 3d total.  Some nice wireframes and basic info on about the making of this picture.

Teaches: Poly Modeling, UV, texturing
Detail: Overview

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3dtotal.com
3d Total offers a wide range of information and products for 3d graphics.  Their home page is an excellent location to find all the latest news, hot artists, animations and training material.  They host a large number of software tutorials in web and video format.  They also have an active forum, sell texture libraries, magazines, books and training material.

SplineDoctors
The Spline Doctors are a bunch of talented animators, mostly from Pixar Animation Studios whow are generous enough to share their wisdom about animation.

Digital Lighting And Rendering
By Jeremy Birn
Digital Lighting & Rendering, Second Edition is the new book by Jeremy Birn that can help any 3D artist make better 3D renderings. This book teaches you the essential CG lighting techniques to craft realistic and evocative images, provides useful plain-English explainations of the latest rendering techniques, and gives professional advice to help you in a career in 3D lighting and rendering.

DigitalTutors.com
Digital Tutors offers a fantastic range of commercial training videos for a wide range of computer graphics software.  These videos are well presented and straight foward.  They also host a range of free videos so you can try before you buy, and maybe learn something at the same time. 

They Currently cover the following software
Maya, Houdini, XSI, ZBrush, Modo, XNA, Realflow, Mudbox, Renderman, Syflex, Photoshop, Flash and more.

free3dTutorials.com
Free3dTutorials.com is a large resource of web and some video tutorials.  Most tutorials give an overview of a cg image and how it was made.  Few tutorials go into great detail but it is a fabulous resource for those seeking insights from cg masters.  Tutorials can be sorted by area and software and the list features a large amount of3d and 2d insights.

cgSociety.com
Perhaps one of the largest online communities of CG artists is CG Society.  Featuring an immense forum, a community of artist galleries, news page, feature articles and interviews and online store and training CG Society is a site not to be missed.  The forum is a good place to start, but if you are new make sure you search before posting as many newbie questions have already been answered.