Don't know about the greyhound set but the 4-6-0 is a winner for me. I got one and it runs great. These engines lend themselves to customizing which I did with mine. It was painted and relettered for Atlantic Coast Line. I run mine with some of MTH open ended woodside passenger cars and it is perfect for that period. A good alternative to buying the expensive 999 model made by MTH if all you want is a conventional runner.