Here's a quick snapshot of common buttons for fightsticks. They all have a slightly different feel (even ones with the same microswitches). If you're overhauling your arcade cabinet or fightstick, these are some options!
0:00 - Intro
1:00 - Sanwa
1:25 - Hori
1:48 - Seimitsu
2:07 - Sunmulon
2:30 - Gamer Finger
2:54 - Paradise Arcade assemblies
3:20 - Qanba Gravity
3:42 - Crown 202
4:04 - Crown 202 w/ Cherry blue switches
4:13 - JA
4:27 - iL
4:52 - button inserts
5:05 - Outro