Illinois has a late primary (3/16), so it likely won't have a determinate effect on the primary battle. That is bad news for Gephardt, who might otherwise be able to
make good use of his neighbor to the north. MoE +/-5.
Undecided 35
Gephardt 13
Clark 11
Dean 10
Braun 9
Kerry 8
Lieberman 8
Sharpton 2
Edwards 1
Kucinich 1
However, the numbers look a bit different if you focus on those voters who are following the race closely. (MoE undefined, but probably much higher than +/-5)
Clark 19
Dean 17
Gephardt 10
Again, it's all academic. All the drama in Illinois' primary will be on the Senate battle, not on the presidential contenders.