Mike Janger writes: "What is Open Croquet? Alan Kay (one of the inventors of Smalltalk, one of the fathers of object oriented programming, conceiver of the laptop computer, inventor of much of the modern windowing GUI, etc.) is working on it. But what IS it? Have you guys looked into it?" I downloaded its 90 MB late last night. It's an 'academic' project featuring a futuristic OS 3D environment running through the Squeak environment on Windows or Mac. It requires a supported 3D accelerator (however, it didn't work with my Voodoo5 in hardware mode so it was painfully slow).