On Nov 12, 2017, at 2:58 AM, Ralph Corderoy <ralph at inputplus.co.uk> wrote:
> 
>> the ADM-3a was certainly one of my favourites
> 
> Mine too;  my first.

I’ve used ADM-3a and various other terminals but my favorite was aaa-60, the Ann Arbor Ambassador that could display 80x60. For such a large display the Rand editor was a good fit as you could edit multiple files in multiple windows. IIRC, Bill Joy’s vi didn’t do multiple windows.