Xerox Alto for sale on eBay
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(Although it looks like the common "desktop layout" screenshots that I'd always associated with the Alto are actually the SmallTalk environment running on the Alto.)
The hardware may be long obsolete, but Smalltalk is thriving! Pharo Smalltalk and the Seaside framework are at the cutting edge of web development.
0. It is perfectly possible to be 20 or 30 years too early
1. Some corporations just suck at understanding the value of what they already own
2. Price matters
There were some games on the disks we got from PARC, among them a BreakOut clone written in SmallTalk. You could break into the SM interpreter, get a listener, and start hacking away. I think the BYTE issue on Smalltalk had just come out; we were Very Happy until the Altos went away.
I still have my RK05 disk pack. Nothing to mount it on now except a wall. :-/
The school I went to got it as a donation and didn't know what to do with it so I adopted it.
I finally got rid of it when multiple 'experts' that I knew convinced me that it was completely worthless. For a long time, its giant wheeled case housed my dual pentium pro motherboard that was too big to fit into a standard ATX case.
Regrets.
The Lisp Machines we had in the EECS computing pool (which I was managing along with our own DECsystem-20) were much cooler even then so the Altos never caught my fancy... :-)
(Edit: expanded slightly.)
I would love a desktop Alto to play with.
[edit]
Oh, "they". I read "we" :)
Maybe this helps.
Maybe some fellow hacker here gets further
Because Xerox considered they could never make a product out of PARC's output (Apple and Microsoft disagreed). None of it ever became actual products, it was either research material or stuff for some unis.
Also, maybe price. This was in the late 70s to early 80s, the hardware in the box was significant, the rest of the world was still running on 80x25 text displays if that.
The Altos were not official, supported products, but R&D projects and prototypes. I heard several were given away. The "real" products were the Star series.
Those didn't succeed because they were far too expensive. As were the Altos, BTW. A working system could easily run into the US$ 100K range, with workstation and printer.
A couple years later, Apple made the same mistake with the Lisa, pricing it over US$ 10K. They only got something with the US$ 2K-range Macintoshes. And those really caught on when Apple launched their laser printer.