You say you want an evolution

Huh? We don't know "for sure," do we? As far as I know it fits our current understanding, but I'm sure there are still great discoveries to be made in the field of Physics that would lead to an even better (or maybe completely different) model/theory.

We're sure enough about the big bang that whatever we find is far more likely to alter the details of the theory in some way rather than replacing it. It's like the theory of evolution. New fossils cause us to revise the details of the theory, but it's highly unlikely that anything we find is going to cause us to change the theory in its entirety. The Big Bang theory is supported by oodles of evidence, and has the overwhelming scientific consensus.

nothing makes sense. no theroy does. some make MORE sense than others, but not one has all of the answers.