Battleground 6/20-23: 41 (GOP) - 49 (DUm) - 11 (unsure) +8 DUm
AP/Ipsos 6/17-19: 40 (GOP) - 47 (DUm) - 10 (neither) - 3 (not sure) +7 DUm
CNN/USA/Gallup 7/30 - 8/1: 44 (GOP) - 49 (DUm) - 7 (undecided) +5 DUm
NBC/WSJ 9/17-19: 42 (GOP) - 46 (DUm) - 12 (undecided) +4 DUm
CBS/NYT 7/11-15: 37 (GOP) - 46 (DUm) - 8 (depends) - 9 (don't know) +9 DUm
Time 6/2-4: 37 (GOP) - 49 (DUm) - 4 (other) - 11 (not sure) +12 DUm
Newsweek 7/29-30: 41 (GOP) - 51 (DUm) - 8 (undecided) +10 DUm
LAT 6/5-6/8: 35 (GOP) - 54 (DUm) - 1 (Ind) - 3 (neither) - 7 (unsure) +19! DUm
Democracy Corps 8/2-5: 41 (GOP) - 51 (DUm) - 2 (other) - 6 (not sure) +10 DUm -
2004 General Election Results: House +3 GOP / Senate +4 GOP
And THAT'S the rest of the story. Brilliant. :)