Owners of HP 3000s are facing the end for their HP hardware. The MPE/iX software has a longer lifespan than the components that have carried it. Even in places where the apps will live on, the hardware is deteriorating. What to do with the aging iron is a question coming up more often.
The HP hardware isn't disposed of easily. It's got the same kind of environmental hazards as every other computer: rare minerals are the prize in there, but there's lots of the weight of a 3000 system that's just going to be classified as scrap.
In any conversation with an owner of a 3000, the solutions to this issue revolve around a reseller-broker. These third party companies have made a business of moving 3000s in and out of datacenters. Lately the movement has been almost exclusively outward.
In the reports from the field we've heard, used hardware often has little value unless it's from the latest generation of 3000s. There are individual items that still will return some dollars to the sellers. K-Class MFIO boards have become rare, and since those components prop up the older 9x9 servers, the boards can carry value that might be equal to a complete system of the A and N-Class generation.
Used hardware has always been a marketplace with great malleability in its value. It's been a lot like being a coin collector for 3000 owners. The valuations might say your 969 should be worth $500, but you'll only get that from a buyer who can sell your coin for more — or one who needs the hardware enough to deliver that price.