The BlenderDiplom Blog features test, doodles, previews for tutorials and various other things related to Blender.
A while ago there was a post at Blendernation on a 15 years old demo video for Blender created by Ton and crew. That made me think of my first steps with Blender, so I dug through my old files. Here's what I discovered.
...but still look pretty cool! Sometimes a bug in Blender can help creating stuff that really looks awesome. Take this experiment for example!
Daniel Widmann aka Nion has released a compilation of effects created in Blender 2.5. All of them show off the capabilities of the latest version of Blender. Houdini beware!