One of my favorite genres, obviously.

I've watched plenty of Western movies and TV (my dad has always been a John Wayne fan, so that's pretty much how I got started), and in recent years have read a lot of Western fiction. My favorite movies are
Rio Grande (1950) and
The Tin Star (1957), and my favorite TV series is
The Virginian (the early seasons, anyway). I've also seen some
Wagon Train, and used to watch
Bonanza quite a lot when I was younger. (I'm also quite fond of musical B-Westerns, but that's another story altogether.

)
My favorite western authors are B.M. Bower, O. Henry, Elmore Leonard, Dorothy M. Johnson and Henry Herbert Knibbs, and I've also enjoyed books by Eugene Manlove Rhodes, Louis L'Amour, Max Brand, and occasionally Zane Grey. Grey is apt to be rather melodramatic, and while Brand is a fantastic writer, plot is not his strong point. My favorite novels are B.M. Bower's
Chip of the FLying U and
Tiger Eye, L'Amour's
Last Stand at Papago Wells, and for short story collections, Elmore Leonard's collected stories and Dorothy M. Johnson's
The Hanging Tree.
I know cowboys, outlaws and gunfighters have pretty much dominated the genre for a long time, but the more I read, the more I find there are fascinating stories to be told about all sorts of ordinary people in the West. One of the things I've found most helpful (and enjoyable) for research is reading diaries and memoirs - I've compiled a long list of them here on Goodreads:
http://www.goodreads.com/list/show/21195.The_Old_West_in_First_Person