Search InstitutionalInvestor.com
From the list on the right side of the screen: select Oct2007; Vol. 41; Iss. 10 for "The 2007 All-America Research Team" located on tab 3 [pgs. 49-52]. Also; see "The Best Analysts of the Year" in Oct. 2007; Vol. 41; iss. 10 [pgs 102-103, tab 5].

Go to Business Source Complete
Enter research team in the first search box and select the TI Title field
Enter institutional investor in the second search box and select the SO Publication Name field
The data goes back to 1993.

Use Bloomberg; available in the Margolis Market Information Lab (MIL) at the Business Instructional Facility (BIF) for finding out which analyst has been best at predicting stock prices and EPS for a selected company.
Type the ticker symbol e.g.; IBM US hit Equity type ANR hit Go
To sort the list click on BARR and select Actual Ascending
You also can get consensus estimates and analyst recommendations.