http://deskthority.net/marketplace-f11/introducing-the-mrinterface-switch-sample-bag-t3189.html

Cherry: MX/Red, MX/Blue, MX/Brown, MX/White, MX/Clear, MX/Black, ML, MY, M7
Alps: Tactile Black, Tactile Orange, Tactile White, Clicky White, Clicky Blue, Clicky Grey, Tactile Cream
Other: Topre 55 grams, IBM Model M/F, KPT, Futaba, Monterey Blue, Acer Black, Acer White
Keycap Material: thin ABS, thick ABS, thin PBT, thick PBT, POM
Keycap Lettering: Double Shot, Lasered, Dye Subbed
Dampeners: Firm, Soft, 50 A, 40 A
Specials: Stabilizer insert