Hooray for DADGAD.  Like the straight nylon approach also.  Sounds like you're heading in the right direction. 

I've written a bunch of guitar instrumentals in DADGAD,and it's a great platform for getting songs going as well.  Look forward to hearing that one.

And...Pierre Bensusan is coming to play here soon.   Have you heard Intuite?  He got rid of all the fanfare and it's just straight acoustic guitar; amazing.