Awesome and welcome, I'm also a recent convert. (compared to others on this board). I actually now prefer all the tinkering and complications of BP revolver shooting over my "ca-trige" guns now. I love the history element also.
Here's the place to start, right on the front page, the sticky: So you want a cap and ball revolver?
I must warn you though, you will not be able to stop buying these pistols, it's a terrible sickness.