My Lutjens has a nice hole in one of the vertical formers thanks to one of my cats, in addition to stealing a piece of a car build causing me to abandon it (I wasn't real happy with the overall look anyway). I'd be searching for a nice high / inaccessible storage area if it were me 
The framing looks good. As far as photo-etch details, I know that a few of the hobby places carry generic ladders and railings in most scales. You might be able to find some of what you want doing it that way.

The framing looks good. As far as photo-etch details, I know that a few of the hobby places carry generic ladders and railings in most scales. You might be able to find some of what you want doing it that way.