One issue I don't think anyone else has mentioned yet, do the ladders (as supplied) foul anyone else's platforms? I tested one of mine on the layout last night and the ladder fouled the platform in a few places. It doesn't feel loose.
It's a scratchbuilt platform with a slight curve(c 48 inches) in one place. The layout's in OO 'finescale' and I tested clearances with various coaches, including Lima Mark 3s and Bachmann Colletts and locos, including outside cylindered steamers - no problems with any of them til now...