@igm,
This may have been covered before in previous replies.
Buddha did not say there is no self, simply that self is part of Maya; an illusion that prevents us from being one with the universe.
The concept of dualism can relate to the idea that, from an existential point of view, we are a string of memories or a nature that resonates with our environments. Our body is a relative thing that may change while our memories and character continue.
Dreams are a perfect example, under this philosophy, of a different "body" one might experience. You are still the same metaphysical construct (intangible within that realm) but your body and manifestations are different.