Thats a nice model. Looks good in lime green.
I actually prefered the Kestrel loco when I was younger - mainly due to the 'steamlined' front end. I have a very crude scratch build on a hornby 47chassis some were amoung my OO stuff. Falcon looked too class to the class 47 to grab my attention. However, if I ever get round to building another OO layout after the N gauge one, I'll be looking to buy one...