Azio Retro Classic Vintage Typewriter Mechanical USB Keyboard Artisan MK RETRO L 03 US - Office Depot
Amazon.com: Computer Keyboard Wired, Plug Play USB , Low Profile Chiclet Keys, Large Number Pad, Caps Indicators, Foldable Stands, Spill-Resistant, Anti-Wear Letters for Windows Mac PC Laptop, Full Size : Electronics
Goldtouch V2 Adjustable Comfort Keyboard | PC and Mac (USB) - GTU-0088
Pointing stick - Wikipedia
Freestyle2 Split Keyboard for Mac
Miniature Keyboard- Microcontroller-Friendly PS/2 and USB : ID 857 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits