John McCain, Republican
Barack Obama, Democrat
Bob Barr, Libertarian
Chuck Baldwin, Constitution Party
Cynthia McKinney, Green Party
Ralph Nader, Independent
The current front runner is Barack Hussein Obama (not that you will find the "Hussein" part of his name on any of his publications or his website.) However, whoever is elected, the loser will be America. The ideal candidate didn't even make it past the primaries. He is Ron Paul:-
Ron Paul is a Republican United States Congressman from Lake Jackson, Texas, a physician, a bestselling author, and he came 4th in the Republican presidential primaries.
Learn more about Ron Paul here.