It is amazing how many parallels there are between the Forro and zydeco scenes.
I'm a fan of all kinds of diatonic accordion music. Planet Squeezebox is one of my favorite collections.
Check out Joel Guzman on the triple row playing a cumbia (what a killer groove) and blues, with just an acoustic guitar. Chad Huval, Jesse Lege's guitarist, and a monster Cajun accordion player in his own right, turned me on to these Guzman YouTube clips.