Does Windows v1 count? Did anyone actually buy that, on purpose? Not counting runtimes included with Excel.
Wouldn't have been common in the personal usage market by any means, but corporate systems would have seen it.
Cherry: Race with reds and green backlighting, lubed and stickered; Poker X with ghetto-greens (clear springs), Vortex plate, PBT, stickers; CMStorm Quickfire Rapid with blues, CCnG (currently taken over by gf); Leopold Tenkeyless with browns; Adesso AKP-220B keypad with ergo-clears, lubed and stickered, Cherry doubleshots
Alps: Nan Tan KB-6251EA with complicated blues; Siig Minitouch with complicated blues