I noticed recently that my friend John, owner of a JCW upgraded MC40 #995, was looking for other MC40 owners, and was pointed to a web site where MC40 owners can register (http://www.mc40.com/); one of those “frame” web sites which prevent useful linking, so go there then click on “Where are they?” to see the list of registered MC40 owners …
If you have an MC40, click on “Register your MC40” and fill in the details.
M&I / GBMINI 
Cool. I saw #18 today on 95S (I was on 95N).
Geez, all the ones I’ve seen seem to be the same number: #37! ;o)
(Sorry Ian, no #42s…now what was the question?)