Udall: 51
Schaffer: 44
Udall now leads 58% to 33% among unaffiliated voters in Colorado. Women favor Udall by a 52% to 41% margin, while men now support the Democrat 50% to 47%.
Udall is viewed favorably by 53% and unfavorably by 44%. Schaffer earns favorable reviews from 47% and unfavorable ratings from 48%.
...
This telephone survey of 700 Likely Voters was conducted by Rasmussen Reports October 16, 2008. The margin of sampling error for the survey is +/- 4 percentage points with a 95% level of confidence.
http://www.rasmussenreports.com/public_content/politics/election_20082/2008_senate_elections/colorado/election_2008_colorado_senate