I don't know how helpful a post on older guns would be, but I have some favorites, availability notwithstanding.
Star Firestar .45. Probably the most satisfying pistol EVER.
Colt King Cobra, 2.5". Not as fancy or spendy as a Python. NICE, 6-shot .357.
Not so compact, but the Taurus 431 3". 5-shot .44 spl.
Colt Commander. Of course!
The Firestar and King Cobra made everything else look like crap. Gotta say it. Now you have a lot more options in tiny guns but there's still nothing like the Firestar. Tiny, slim, all steel, SA, nice "manly" recoil spring, cocked and locked, 6+1, reliable and fun as hell. Super easy to conceal. I'm gg to have to look this one up as soon as I hang up. Cheese: I used to carry my Firestar with Starfire ammo. I wonder if that's available anymore too!
Edit: found it, oh man this takes me back: