Follow up; in reality the hard drive exchange is the best option for anything that is in working condition and older than 2000.
They're made up of former company designers, are as die hard as it comes, and despite their (earned) arrogance know their stuff. Any bizarre chance you have an old quantum Bigfoot that actually spins and didn't have a head crash; $500 for one Meg, a few grand for for a 26 meg formatted one.
Original 8080 series chips that aren't fried or missing pins (fully working) will fetch a few thousand dollars via PayPal or Bitcoin.
Don't like main brands? The also use lite coin, auction bits, bidpay, western union, money gram, ...
And every other failed but available service.
They trade too! Have an 8084 controller and need a 48c30? Done!
And finally but far from an afterthought they offer ingots! One of three companies I know of who are not end all refineries who will send you 98% ingots of your choice; gold silver platinum; copper
nickel (my favourite)
brass iron.
Ohkay I know they will send you iron for a fact, but why why why would you want iron? No really I never understood that!! I just don't get it. Hey check out my iron ingots! Uh... Sure!

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