And idle power matters: a typical server in this kind of use is going to spend much of its time doing very little at all. (Except in my case fending off attemp

And idle power matters: a typical server in this kind of use is going to spend much of its time doing very little at all. (Except in my case fending off attempts to SPAM me or other malicious traffic!) It helps that I can set the RPi's clock to fall back a long way unless the CPU is busy.