If you've ever wondered "do I have too many 21" MegaPixel monitors?" an easy way to find out is to see how sore you are the next day after moving them all from one side of the house to another.
My wife and I sometimes goof around with inventing new "collective nouns" (i.e., "a murder of crows," etc.). The last time we were rearranging stuff in our storage locker (where most of my retrocomputing gear resides), she joked that I have an "Oh No of CRT's" ;D
Huxley