>The whole set of concepts of God, man's responsibility to God, God's right to expect certain attitudes & actions, etc all come from the notion that there actually IS a god, which is a sort of 'first step', so to speak.

More specifically, they stem from the belief that the meaning and concepts that make up the reality of man can have any ability to describe or communicate the divine reality of God.

Those beliefs are not necessary in theism. In fact, your theology evolved from an earlier religion where it would be improper to even pronounce the name of God, because the idea of comprehending God was a silly proposition:

http://www.cosmik-debris.net/?p=79