I enjoyed this and have started practicing it.  I put it here, because now I notice that I wish others did too!

http://www.computerworld.com/managementtopics/management/project/story/0,10801,93903,00.html

       IBM pSeries Blind-Swap Cassettes are cool.

That is it.  I just needed to type and remember the word “Blind-Swap”, because I always forget what they call ’em.