I use the Bachrus Rolling Road which i think is fantastic, can be adjusted for every type of loco if you buy the four saddles and the stirrup extension pack.
This is not where I bought mine from, but it shows the product well. I didn't pay this much for it tho!
http://www.dccsupplies.com/shop/index.php?cPath=39_61_63
This is not where I bought mine from, but it shows the product well. I didn't pay this much for it tho!
http://www.dccsupplies.com/shop/index.php?cPath=39_61_63