Some recommended links:

CG Forums

http://www.cgsociety.org/

http://www.cg-cars.com/

http://www.behance.net/

Motiongraphics and VFX

http://www.creativecow.net/

http://www.videocopilot.net/

http://www.motionworks.com.au/

http://www.vfxtalk.com/