Jo there are quite a few on the market, but scratch building can also give you the desired effect. I am in the process of doing a B17 mysdelf, have a look at my thread, it is on this forum as 1:48 B17 Sally B:-
cs.finescale.com/.../161512.aspx
I do recommend the Eduard Big Ed set, but you will need a PE folding tool for some of the parts, but well worth it if you are opening her up.. Good luck and I am looking forward to seeing the results!