The 11/83 is not as rare as the rest might be. I purchased one (1) on Ebay a year or so ago. It is running in a BA123 enclosure with 2MB of memory and (4) RD54's. -Steve From: owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE] On Behalf Of Joe Ferraro Sent: Thursday, July 14, 2011 16:44 To: hecnet at update.uu.se Subject: Re: [HECnet] PDP Ignorance Although I hate to mention it... I have about 30 micro PDP 11/83's sitting in a lab right beside me; unfortunately they do not (yet... nor might they ever) belong to me... are they, in fact, "rare"? On Thu, Jul 14, 2011 at 3:49 PM, Mark Wickens <mark at wickensonline.co.uk> wrote: Are the MicroPDPs (desktop, deskside, rackmount) rare beasts? They seem to be of a fairly hobbyist-friendly size, although presumably they are less expandable (much like a VAXstation versus VAXserver I would imagine) Mark.