This wiki is slowly growing and includes all the knowledge gathered by the Overshoot TV over time.
See:
http://overshoot.tv/project/issues/blender
Developers' blogs:
JAHKA PARTICLES http://jahkaparticles.blogspot.com/
http://mfoxdogg.com/
http://www.luxrender.net/ GPL rendering engine for Linux, Mac and Windows.
http://www.scribd.com/Musaffa_BUET books and documentation.
http://blendervse.wordpress.com/ Blender VSE.