Picked these up from a defunked dot com business...20/40GB DLT drives (Seagate i believe) with redundant power supplies and a rack mount enclosure - the SCIS interface is ultrawide...

http://www.geekcube.com/images/forsale/dlt.jpg

sorry about this pic - a littel blurry but I had to adjust the brightness...

$350.00 plus shipping - this setup is HEAVY (>50#) so shipping may be a bit expensive