I did a BE2 some time ago (2014), and started posting some stuff about it on my blog at
http://mojobob.blogspot.com/2014/03/madness-sheer-madness.html (http://mojobob.blogspot.com/2014/03/madness-sheer-madness.html), http://mojobob.blogspot.com/2014/03/1300-be2c-progress.html (http://mojobob.blogspot.com/2014/03/1300-be2c-progress.html), http://mojobob.blogspot.com/2014/04/1300-scale-be2c-wip.html (http://mojobob.blogspot.com/2014/04/1300-scale-be2c-wip.html).
More posts followed in May: http://mojobob.blogspot.com/2014/05/ (http://mojobob.blogspot.com/2014/05/) — not tutorials as such, but maybe you can get some useful information from them.
(http://1.bp.blogspot.com/-qmes49bw_IM/U2R2VnQG85I/AAAAAAAADig/sU680WeQ-KM/s1600/2014-05-03_be2c.jpg)
Something I've discovered since then is that if you do use card for the wings and things, if you soak it in liquid cyanoacrylate (superglue) before cutting out, it plasticizes it and makes it very stiff and hard-wearing.