One of my friends (that posts on this board) has a newer PS2 (or 3) Blue Comet set, has sounds, smoke, runs like a dream and the fit and finish are just sparkling. really like that set. So I'd recommend the newer the better MTH depending on your budget.
Jim
I Agree!... Here`s my M.T.H. 10-1062-1 Baby Blue Comet 263e engine ,tender & 600 series Pullman cars mint!