I believe in evolution. That alone makes me enemy of conservative Christian. Even though I count myself as a Christian, for the moral value it represents, I don't think Christian will welcome me as one of their own.
WSJ reported a story about a young Egyptian Christian being beaten up for refusing to convert to Islam. Another story about an Islamic clergy cutting off a man's ear for the same reason.
Compare to Islam I have much more affinity to Christians. Christians are civil and more tolerant of religious difference.