Distinctive enough to be a new entity, smart enough to fall back on a few familiar charms. St. Vincent and David Byrne have brought out the best in each other - they should do this more often.
I think it's probably good that there was a dominant partner, it's probably what makes it so successful, I can imagine a 50/50 split might have come across as a lot messier...
Loutallica is genius. GENIUS!