On my Y2K trip to Colorado I exposed over 30 rolls of film and would have been happy to expose more.
The yard in Chama is truly incredible with all the "stuff" they have there. The scenery is outstanding, and oh-yeah, the train rides are really great too.
Glad you finally got out to Colorado, Kevin. I think it's a trip every NG or steam enthusiast needs to make, even if 3 foot gauge isn't necessarily your thing.