Clicky:
1) SMK-88 Cherry blues
2) Desko BMOS PCB mounted Cherry blues (switches came from G80-3000LSCRC)
3) Filco Tenkeyless cherry blues
4) Siig Minitouch blue monterey
5) Filco full sized, Cherry blues
6) Cherry G80-3000LSCRC-2
7) Laser Clicky (smk) keyboard
Siig Minitouch white alps
9) Chicony KB 5181 blue monterey
10) Any Buckling springs
11) Chicony KB 5191 Fake cherries
Nonclicky:
1) Ricercar SPOS
2) Compaq MX 84u
3) Cherry G80-1863
4) Compaq MX 11800
5) Filco full sized Cherry browns
6) Topre 86u
7) Topre 101 key
Cherry MX8100
9) Dell AT101w
10) Anything with cherry blacks
For me it's #1 switch, #2 layout and form factor.