In Robert J. Sawyer's Serialized novel
Wake, part 3 of 4 appears in the January/February 2009 edition of
Analog: Science Fiction and Fact, there is a mention of the Model M an page 103 that gave me a geeky thrill.
"He was typing on his keyboard; he had an ancient, heavy IBM one that clicked loudly."
I heard the clicking as I read, the characters daughter even had to "rap her knuckles on the door jamb" to be heard over the work.
Thought a few of you may get a kick out of this as well