>> The first Acorn BBC machines were let loose in
the latter end of 1981
though, so presumably production Newbrains followed soon
after...
Hmmm .... I just read these two pages:
http://www.binarydinosaurs.co.uk/Museum/Grundy/gerald.php
http://www.binarydinosaurs.co.uk/Museum/Grundy/index.php
So then the first model (the AD) shipped in 1982, right? (That's what the
old-computers.com entry indicates.)