This also nearly 5 years ago...
http://www.network54.com/Forum/353391/message/1169584888/OK+.....I+know+this+has+been+done+before+.....but+I%2Cm+curious+......
The good old "matching or non-matching 201A" question

At the time it looks like there was a moderate preference for NM. I wonder if it would be the same now? I bet it would be NM in a landslide these days.
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If plexi is wrong, I don't want to be right.