I would like to correspond with any fellow model railoaders via emai and snail mail that are interested in shortlines of the greats lakes, great plains, pacific northwest, the dakotas and deep south. Also anyone that is interested in old timer passenger cars like MDC’s 50 foot passenger cars.
you might consider creating a yahoo group for one or more of you special interests
Or you could start a topic here which is basically the same idea.
Here is an old thread that might be worth a look. The information on it has lead me to some additional good reading on the internet.
http://cs.trains.com/mrr/f/88/t/171488.aspx?page=1
Like others have said, try this or other forums for discussions. The knowledged shared will likely be far greater through the shear number of participants you are more likely to have.