Is anyone using one of these?

http://www.play.com/PC/PCs/4-/142789...own-Extension-
Lead/Product.html?_%24ja=tsid:11518|cat:14278964|prd:14278964#

My backup are done to an external HDD and it only needs to be powered up for
backups.

Does it work?
Does it work with Linux?
What software are you using to control it?


--
Alan