Cherry MX 5000 • Cherry's answer to the Matias Ergo Pro, 20 years before it came out! The G80-5000 ErgoPlus is considered by many to be the finest board Cherry ever made. Highly sought after, of course, their ergonomics delight some lucky users to this day.
Dolch keyboard • Dolch means one thing in the keyboard world. Not network analysers. But their timeless, greyscale keyboards! The Dolch look is a true classic. Emulated many times in caps group buys since, the real deal remains a favourite among classic doubleshots.
IBM 4704 series • So rare, and so desired, that a remake is well underway, the Kishsaver is a legend in its own right. Unavailable in 3 whole sizes of heavy metal awe, the Kish is a star and thanks to Xwhatsit it is perfectly usable today.
IBM Space Saving Keyboard • Another IBM, and another strong contender for the greatest keyboard of all time. The Model M Space Saving Keyboard commands respect, and sky high prices to this day. Tenkeyless twenty years before the name, the SSK is a permanent favourite for many of us.
Regular IBM Model M • And if the SSK isn't enough for you — numbercruncher that you surely are — there's always its fullsize brother. Most people chose this one over the little SSK back when IBM sold both versions for the same price. Because, um, bulk discount?
And the Wingnut for Best vintage keyboard 2015, as voted for by the members of deskthority, goes to...