Blender 2.70 will have one big new feature: Volumetrics! Not the entire toolbox like point densities or voxel rendering which would be required for smoke. But small things like volumetric absorption!
Blog
The BlenderDiplom Blog features test, doodles, previews for tutorials and various other things related to Blender.
An in-depth review of the eBook edition of "Blender 2.6 Cycles Materials And Textures Cookbook" which is written by Enrico Valenza and published by Packt Publishing.
This is a short demo video of things to come for Blender. If everything works out all right, volume rendering will be included in Blender 2.70 (hey, we don't even have version 2.69 yet).
This is a brand new test of the current implementation of the SPH fluid particles in Blender 2.68a. It uses the double-density solver and 500.000 particles. Blendfile availabe for download and study.
This is just some old doodle I found on my harddrive, it dates back to October 2011.