I have had it one week, today. The loco runs great- great sound, and is a fine-looking piece.
So I am sorry to have to post this, but if you buy one of these be sure and check all the screws. Maybe half of mine were what I would call "loose"- parts that were screwed to the frame. Most issues seem to be the screws holding the "added details" like the truck frames, the step mounted TO the truck frame (in my case, one fell out - who knows where??).
I tightened them about 1/3- 1/2 turn. Not a lot Lionel can do about it after the product is manufactured, boxed and shipped- but you don't want to find out the hard way - just go over it before you run the locos a lot!