All 23 of them:
The Pew Research Center and Rasmussen Reports were the most accurate in predicting the results of the 2008 election, according to a new analysis by Fordham University political scientist Costas Panagopoulos.
The Fordham analysis ranks 23 survey research organizations on their final, national pre-election polls, as reported on pollster.com.
On average, the polls slightly overestimated Obamas strength. The final polls showed the Democratic ahead by an average of 7.52 percentage points 1.37 percentage points above his current 6.15-point popular vote lead. Seventeen of the 23 surveys overstated Obamas final victory level, while four underestimated it. Only two Rasmussen and Pew were spot on.
Vox Populi.jpg
Here is the list
1T. Rasmussen (11/1-3)**
1T. Pew (10/29-11/1)**
3. YouGov/Polimetrix (10/18-11/1)
4. Harris Interactive (10/20-27)
5. GWU (Lake/Tarrance) (11/2-3)*
6T. Diageo/Hotline (10/31-11/2)*
6T. ARG (10/25-27)*
8T. CNN (10/30-11/1)
8T. Ipsos/McClatchy (10/30-11/1)
10. DailyKos.com (D)/Research 2000 (11/1-3)
11. AP/Yahoo/KN (10/17-27)
12. Democracy Corps (D) (10/30-11/2)
13. FOX (11/1-2)
14. Economist/YouGov (10/25-27)
15. IBD/TIPP (11/1-3)
16. NBC/WSJ (11/1-2)
17. ABC/Post (10/30-11/2)
18. Marist College (11/3)
19. CBS (10/31-11/2)
20. Gallup (10/31-11/2)
21. Reuters/ C-SPAN/ Zogby (10/31-11/3)
22. CBS/Times (10/25-29)
23. Newsweek (10/22-23)
Texas on the Potomac » The List: Which presidential polls were most accurate?