Well, it's a start, even though he's seems to be reinventing the wheel (My God isn't Christian blah blah). Let's hope the Holy Spirit is working on him!
I pray that the Holy Spirit will confront him with all the power of the gospel of Jesus, the Christ.
Jefferson was not a deist. He's rather ignorant on that subject, taking the "word" of ignorant others.
http://www.wallbuilders.com/resources/search/detail.php?ResourceID=29
"In fact, Jefferson himself declared, 'I am a real Christian, that is to say, a disciple of the doctrines of Jesus.' While many might question this claim, the fact remains that Jefferson called himself a Christian, not a deist."