I've been thinking about one of these. http://www.tonido.com/ http://www.tonido.com/ I don't know exactly what you are going to do but it might be better to s

I've been thinking about one of these. http://www.tonido.com/ http://www.tonido.com/ I don't know exactly what you are going to do but it might be better to serve email/files from something like this and use your bigger server only when needed. I guessing your eventual workload for bigger server will be intermittent and in the off time you will be wasting tons of energy by running a mostly idle computer. Just my $.02