Im not really sure what you are getting at, although I dont know about the old ctf_well, but as for the old gold rush, it was pretty even to begin with. If anything they made it more imbalanced to favor one side at different points in the game. Although that was already in place in its conception, the divide seems to have grown further apart.
Is it just me or are the new spy abilities just retarded? I would rather have a weaker engie and a weaker spy, than a super engie and a super duper spy. Whole map cloaking = not fun.