Amazon.com: Corsair 'Wired / USB 2.0 Type-A K63 Compact Mechanical Gaming Keyboard - Backlit Red LED - Linear & Quiet - Cherry MX Red, CH-9115020-NA : Video Games
Mechanical Switches – Dygma
KeyMouse® - Cherry MX Switches
Cherry MX Black Hyperglide Linear Switch – CannonKeys
Kailh Mechanical Key Switches - Linear Red - 10 pack [Cherry MX Red Compatible] : ID 4952 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Cherry MX Mechanical 4-Key Tester: Blue Black Red Brown Switches : ID 4974 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits