You could buy a cheap one at ebay on line from an individual. I've seen them go for under $75 all the time with a working HD and OS. If you do any type of swapping of hard drives etc to it... It will void your warranty from Adaptec or anywhere else. If you would like, as far as selling, there will be people who will buy it and refurbish it. You can also post it here in the Snap/NAS Classifides
http://forums.procooling.com/vbb/forumdisplay.php?f=84 before you try and sell it on ebay. It will save you some money as far as the listing cost etc... I don't know how much you will get for it, but I would guess it will not be that hight because of the lack of OS and HD. But it will sell to somebody who has the equipment to fix it.
Good luck on your search. I hope you are able to fix it.
bitor