This video shows what happens.
http://www.youtube.com/watch?v=V8HPgwgJ8QE
I zap over to photoshop, Fix the seam, Send it back, Hit accept, and it goes back to the old texture instead of the updated one.
Any thoughts?
edit- IT appears that the polypaint texture cannot be edited even after trying Projection Master and picking up.
hmmm frustrating.