useful 3d tutorials and resources
General resources for rendering, a lot of XNA tutorials (Samples included)
Good tutorials for deferred engines
All around super useful for beginners (Samples included)
Useful resources on Light Prepass (Samples included)
One of the best rendering engineers around, covers almost all relevant 3d techniques. A lot of older/basic stuff is done in XNA wiht sources included
A lot of links to XNA engines, helpers, sources etc.