> Picked off the pavement like IBM processors?

Yes, exactly. For both buying G4 Macs and IBM CPUs no NDA required ;-)

> What about Titan, Andreas?

You mean regarding the X1000? Or in general?

If the first: See some posts above.
If the latter: https://morph.zone/modules/newbb_plus/viewtopic.php?topic_id=6268&forum=11&start=60#72235

> What about the Fixstars hardware you've mentioned? [...]
> I don't see it listed on Fixstars' website anymore.

The PowerStation vanished beginning of January. Then end of January the bitter truth:
http://www.yellowdog-board.com/viewtopic.php?p=35851#p35851