You were right, it was Red Dot #49 :
https://www.autopia.org/threads/how-durable-is-too-durable.107393/
That thread is really confusing because somehow in the forum upgrades David B.'s posts appear as "Bobby G"...unless of course David B.
was Bobby G? But you can see he signs some of the posts "db" and when he's quoted it comes up as "David B."
There is also some reference to "Lab Sample D", which may have been NXT, as I said, that was a little before my time, when I got to Autopia the wars over whether NXT could be layered were in full swing, as I recall.