Hmmmm the British HST. Not a bad design, though to me the Class 55 Deltic looks a bit better. I could never understand though, why the air horns sound so different over there. Put a Nathan P3 Old Cast on one of those Deltic engines and see how the rest of the people react. I have way too many favorites to list but I'll counter the BR HST with a EMD SD60, SP 'Bloody Nose' with a Westinghouse E2B1. It may be a fictional one on the SP, but a few of Reading & Northern's SD50s have the E2B1 and it sounds awesome in the area they run in.