Soon, I'm going to be allocating some money for a new machine, the primary purpose of which will be to handle animations.
In the past I've used several versions of UNIX (Ubuntu, and briefly Redhat, Linux) and of course Windows, even a Macintosh sometimes. Logically speaking I would think some version of Unix would be a more efficient machine to run Blender on, but I'd be curious to hear what people have to say about what would be the best operating system to use.
I'm not really certain how much money I can spend as of yet. I may have something like $1200 in a month, but I could wait for awhile to get something more powerful if its really necessary. I'd love to hear suggestions from people into cg as far as what is most important in a system, recommendations for a specific motherboard and so on. While I have a lot of experience with software and code, I have actually never built my own system before.