Capital Fax, the blog that is all things political in Illinois, conducted a survey of the hardcore dems and republicans and here are the results.
Boy, am I surprised.  lol.  Obama leads in Illinois.  this is almost as surprising as the New York and New Jersey polls that show Clinton leading.
Anyway, As an Obama supporter and Illinois resident, this is just fun.  
Sorry Edwards supporters but, I don't think you guys were expecting him to do well with Hillary growing up here and Obama a respected and beloved senator here.
I included the republicans just for fun.
The link for the poll and the story if you are interested is:
www.thecapitalfax.com

"My political newsletter, Capitol Fax, commissioned a new statewide poll last week of presidential preference in Illinois. Only "hardcore" voters in each party were surveyed - see my weekly syndicated column below for more details...

   Democrats
    Obama 52.6
    Clinton 24.6
    Edwards 9.5
    Richardson 2.4
    Biden 2.3
    Kucinich 1.25
    Dodd 0.53
    Undecided 6.9

   Republicans
    McCain 26.1
    Giuliani 25.7
    F. Thompson 17.4
    Romney 10.2
    T. Thompson 3.3
    Undecided 17.2

And here's the column...

   It may be no surprise to some, but new polling shows Barack Obama is doing better with hardcore Illinois primary voters than Hillary Clinton is doing with voters in her home state of New York. Also, voters are split over whether Obama should be more critical of Chicago corruption, and the Republican presidential primary appears wide open here.

   The Illinois poll was commissioned by my political newsletter, Capitol Fax. The poll, taken last Thursday, surveyed registered voters who have chosen either Democratic or Republican ballots in the past two presidential primaries and have never picked a different ballot. They're the hardcore of the hardcore and are very likely to vote.

   The poll found Obama leading the pack of presidential hopefuls here with 52.6 percent of the vote among hardcore Democrats. Clinton came in second with 24.6 percent. Former U.S. Sen. John Edwards was third with 9.5 percent. None of the other declared candidates topped 3 percent, while 6.9 percent chose either "other" or "undecided."

   In New York, two recent polls have shown Clinton with a bigger lead but polling well under 50 percent. A Quinnipac University poll had her ahead of Obama 44 to 14, but a more recent survey from Siena College's Research Institute had Clinton ahead of the second place Obama 39 to 17 with 13 percent of Democrats undecided.

   Obama captured well over 70 percent of the vote in the 2004 US Senate race, so his Illinois numbers in this latest poll might be a surprise to some who expected him to be doing even better. Clinton was raised in Illinois and is, of course, a very well known commodity. That probably explains why she is polling higher here than Obama is polling in New York."