Very low power consumption PC

The beacon station uses an old Toshiba laptop and whilst it is likely that the power consumption isn't that high (I really ought to measure it) the combination of the rig, two PSU's and the laptop must make a healthy drain on the supply over a year.

Part of the SDR beacon station project is to develop a low power consumption unit so that the impact it has is fairly small. A number of options have been looked at in the last few weeks ranging from various netbooks (Eeepc 701 and it's followers) as well as nano and pico itx systems. But the unit that caught my eye was the Fit-PC. Claiming a 3-5W drain and wifi really looks like a potential for low or even off grid monitoring. The units are fairly pricy so depending on the success of the SDR lite project the hole station can be put into a small box