Mistakenly posted this on the wrong 12 string thread - duh
I'm biased Joe - what about a George Lowden Luthier build.
I'm a jumbo kinda guy and had the lone of an O32 12'er - superb player with a sound to match, made me wonder just what on earth a' custom' + my choice of tonewoods would sound and play like.
Cuban / Adirondack ? in an F size if the O is 'too much to handle'.
Oh a taster with a fair bit o' processing going on but you'll get the idea -
http://www.youtube.com/watch?v=5obvI0IQONM