The HP ProLiant Microserver is a great little box for home use. It's advertised as low-power and quiet, you can put up to four hard disks in it as standard (with room for plenty more if you like modding) and with HP's cash-back deal you can get it for about £150 in the UK. I use one as an always-on box running Logitech Media Server. For this I want it to be as quiet as possible, especially when it