Re: Good times...program manager
Back then there was much 'real' UI innovation particularly around the office paradigm - making the interface both intuitive to the user and consistent with real-world artifacts.
Suspect there are many concepts and ideas from back then (particularly from Xerox) that could be usefully resurrected for the modern office desktop...
Thinking about it, there is probably a market for a resurrected Acorn RISC OS...