As for concerns about the hard drives, they are so old that no one cares or the data was wiped prior to placement in storage (pretty common practice).
Atleast one of the a2500 had a nasa sticker saying "2005", so i guess they havent been idle for that long..
http://i8.ebayimg.com/04/i/000/7b/85/c6b8_1_sbl.JPG