That keyboard style was first released in 1984, and it's called a model m.They really aren't that old, but who cares you found a new keyboard!Also just for fun: http://ep.yimg.com/ip/I/xoxide_2053_229004861
Dude that would take me a few hours to get used to. Kind of a good idea with the two circles for two hands. <-- (No sick comments for this)