S&W revolvers have appreciated faster than most other collectable firearms in the past 5-7 years. I got most of mine on the way up, have sold a few at attractive prices, I continue to occasional buy and hope the appreciation trend continues.
There are probably 3000 folks viewing the S&W Forum right now.

Conversely (IMHO) Colts, Winchesters, single shot rifles and double shotguns have peaked and have either leveled off or depreciated overall.

(P.S. I dropped out in 1967, supposed to graduate in '69. )