We've got an Adaptec AEC-4412B here.  We just received it, so I
haven't had much chance to play with it, but it appears to be a really
nice piece of equipment.  It's not a RAID controller card; it's an
external device, with three SCSI interfaces:  one for the host and two
for disks.  It's configurable via buttons on the front panel or by a
serial cable that speaks VT100.  It'll do RAID 0, 1, 0/1, 5, and
either 3 or 4; I don't remember which.  I think we paid about $1800
for it.

Chris

-- 
-----------------------------------------------------cjones@math.montana.edu
Chris Jones                                          cjones@honors.montana.edu
           Mad scientist at large                    cjones@nervana.montana.edu
"Is this going to be a stand-up programming session, sir, or another bug hunt?"