OpenIndiana seems to be doing pretty well outside of Oracle. It might never have the popularity of Linux but I use it for my home file server and it's been great. Joyent has also put a lot of money into developing OpenSolais so I don't think it's going to disappear any time soon.
NiteMair writes: "The Haiku project has finally released an official R1 alpha after 8 years of development. This marks a significant milestone for the project, and it also debuts the first official/publicly available LiveCD ISO image that can be easily booted and used to install Haiku on x86 hardware. Haiku is a desktop operating system inspired by BeOS after Be, Inc. closed its doors in 2001. The project has remained true to the BeOS philosophy while integrating modern hardware support and features along the way."
I agree. Even though I am on the Blu-Ray side I'll just be happy to have one standard. It does seem that there are many technical reasons to use Blu-Ray, though.