Are the Christian Zionists different from the norm? It depends on how you define Christianity and how you define "norm". I do think that most serious, practicing Christians in the United States (especially evangelicals) are at a minimum tolerant of Jews and are often sympathetic to Israel, just like most serious, practicing Jews in America are Zionistic. If you count all the nominals and all the fringe groups and movements, then it is true that they are. I think Christians spend a lot less effort and time on serious, life-and-death matters in this country and the world (including Israel) than they should, for sure. A lot simply don't get it, or don't care, or don't understand why it is relevant today.
What I don't believe is that the likes of the Quaker, Presbyterian, Lutheran, etc. leaders are all that represented in average American practicing Christianity, and they don't even speak for their entire denominations. Some of the above happen to be right-wing evangelicals, in fact. Of course, Lutheranism was founded on evil principles and Lutherans who are not like their founder really should find a new denomination, as Chaim has said.
The most pro-Israel denominations are Calvary Chapel and the various charismatic/Pentecostal ones.