I would not hesitate to recommend the Unicomp Spacesaver M to Macintosh users used to an original IBM Model M, and I am admittedly a tough customer. I wish that Unicomp would update their website, packaging, logo, and keyboard graphics, but none of this really matters as your fingers press the keys. If any keyboard is worth $100, it is the Unicomp Spacesaver M!
Things are getting awfully complicated, aren’t they? The custom parallel CPUs, proprietary communications networks, and encrypted data ports require extensive training, special tools, and a computerized reference library to comprehend, much less debug. And the manufacturers, who derive much of their money and differentiation from warranties and authorized repair centers, are loathe to see independent shops get a piece of the action.