In many, many, many, many posts, Bill calls the Mormons a cult, non-christian, and worse.
I don't agree with all the beliefs of the Mormons, nor do I all the beliefs of the Jehovah's Witnesses, nor all the beliefs of the Catholics, nor all the beliefs of the Amish, nor all the beliefs of the Methodists, nor all the beliefs of the church I was raised in, the Presbyterians. But at the root of all of these belief systems is Christianity. Bill says no.
So who are more Christ-like? The Mormons, or Bill's fundamentalists.
As something to base your decision on I offer these for study:
From the Mormons: http://www.youtube.com/watch?v=4h1V0oJRyCc&feature=results_video&playnext=1&list=PLD6E5A5D24AF17227
From the Fundamentalists: http://www.youtube.com/watch?v=kMkBgA9_oQ4