My friend Oskar van Deventer has produced countless twisty puzzles. And it's simply impossible to collect them all. But I always watch his videos.
https://www.youtube.com/watch?v=j8eKv2clSX4 How a Shapeways 3D print got knocked off in China
https://www.youtube.com/watch?v=i84PRVPieeU Assembling a 22x22x22 cube. Sad ending.
David Tzur contacted me recently to announce that his game is now on Kongregate: http://www.kongregate.com/games/DavidTZ/spinin I reviewed his game Spinin about a year ago. It's smart & hard