Sen. Roland Burris (D-Ill.) and two potential Democratic primary challengers all lead potential Republican challengers in the state's impending 2010 Senate race, a new poll found.

A poll conducted by Research2000 for the liberal blog Daily Kos showed Burris, the newly-appointed incumbent, leading Rep. Mark KirkMark Steven Kirk10 top Republicans who continue to deny the undeniable GOP senator says he doesn't remember signing 2016 letter urging 'reform' of Ukraine prosecutor's office The 13 Republicans needed to pass gun-control legislation MORE (R-Ill.) 37-30, well below the 50 percent threshold considered healthy for incumbents, but with a lead outside the poll's margin of error. Burris leads the less well-known Rep. Peter Roskam Peter James RoskamEx-GOP Rep. Roskam joins lobbying firm Blue states angry over SALT cap should give fiscal sobriety a try Illinois Dems offer bill to raise SALT deduction cap MORE (R-Ill.) 38-25.

Burris also has an early-stage advantage over potential Democratic primary challengers. In a tested Democratic primary, Burris received 26 percent, leading Rep. Jan Schakowsky (D-Ill.) at 12 percent, and followed by state Treasurer Alexi Giannoulias at 11 percent. 51 percent of Illinois Democrats said they were undecided.

On the Republican side, Kirk led Roskam 27-17 in a Republican primary matchup, with 56 percent undecided.

Schakowsky and Giannoulias led both Kirk and Roskam by margins mirroring Burriss's, according to the poll.

The survey, conducted January 26-28, has a four percent margin of error for everything except the primary matchups, which have a five percent margin of error.