I favor steamers that pulled famous East Coast trains in the 1930 - 1950 era, and my collection is eclectic. All of my locomotives are Rail King and these include:
NYC Dreyfus Hudson
NYC Commodore Vanderbilt
NYC J3 Hudson
N&W J
C&O Chessie Yellow Belly
Reading Crusader
Southern Crescent PS4
Blue Comet
Milwaukee Hiawatha Hudson
Long Island G53 Camelback
Broadway Limited K4s
Rio Grande Ski Train Pacific
NYC Pelham Branch Ten Wheeler
I am anxious to add the Lehigh Valley's John Wilkes and the NYO&W Mountaineer to the roster.
My railroad also deals in freight & coal, and these locomotives include:
N&W Y6b
Long Island H9 Consolidations (2)
Berkshire
NYC 0-8-0