[As to your question, the closest denomination that I have come across that reflects my views actually goes further than I do in condemning Paul and considers itself to be monotheistic Jewish rather than tritheistic Christian.
I am monotheistic
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Doesn't look like they accept ANY books from the New Testament as canon:
http://ebionite.org/tanak.htmAnd they deny the divinity of Christ:
"[Jesus] was not divine....He was not the Messiah but undertook a messianic mission."
http://ebionite.org/history.htmHow nice