LOL... I kew I'd get some interest there. Yes, it's an animated train that runs for a while. In fact two trains... There's an express going in one direction and a goods going in the other. Complete with steam and smoke from the stack and steam from the pistons. (seems to be traffic 'flying' at ground level in a straight line for about 50 miles).
I paid the sum total of £8 and some pennies for a few 1920s biplanes, scenery, and a couple of driveable cars. But the main reason I got it was to go train chasing.
I can't recommend the add-on highly enough. The planes are gorgeously produced, the models and textures are fantastic. I can talk to my female passenger, listen to music as I fly or tune in to various US radio networks. LOL... Whilst returning to the airfield after buzzing the express, I tuned in to New York radio and heard a live report of the Hindenburg disaster. A bit harrowing, so retuned to Chicago for some big band dance music instead. Of course, I culd play my own CDs from inside the cockpit if I so desired!
Sounds are superb, planes are gorgeous, the home airfield is supremely well done, and the trains are a knockout. Plus a little special something extra that I hadn't realised was part of the package arrived with it... I'll say no more about that.
I ordered and paid (PayPal) at around 5pm on a Monday, and I had a return email and instructions on downloading the add-on witihn the hour. I was flying and marvelling by 7:30 pm after spending a good half hour just in spot view with the plane hangared!
Oh yeah... I suppose you want to know which add-on it is? Try looking at this page:
http://windrfters.com/tapage.htm
Then go and order it. Some of their other packages look well worth a few quid as well in my opinion. Hawaii is the next one for me I think...
http://www.windrfters.com/