I simply could not be happy with the odd, old-fashioned layouts of my Model F XTs and ATs.
Get a 122-key terminal, take it apart, move a few springs and barrels around, and you get something very closely resembling a standard ANSI layout, with Function keys both top and left. Now THAT is the Mac Daddy.
Sometimes, in an emergency, such as at a yard sale, I have to use my house key to remove a keycap, but you can bend a very serviceable key puller from a large paper clip in a matter of seconds, and a pretty nice one in a couple of minutes.
I keep losing the links, but several people have posted photos here of their creations. The simplest is to bend the entire paper clip into a "U" shape, with the diameter of the curve to fit your finger, then add tiny "J" hooks at the ends (pointing toward the inside, of course) with only about 2-3mm of opening, so that they just wrap into the underside of the shell of the cap.
The price is right, don't screw around with screwdrivers and butter knives.
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Here is a particularly nice one. I made one of these and use it often.
PS - that IBM KB-8923 is pretty good for a rubber dome, if it is reasonably fresh.