The Cook Political Report rates each state's leaning in the Electoral College based upon a canvas of at least four top strategists for each party. As of October 21, Iowa remained in the Toss Up category.
Cook's U.S. electoral map

BUSH/CHENEY
10 Bush visits since March 3

Oct. 31 - CHENEY: Event, Fort Dodge
Oct. 30 - CHENEY: Rally, Davenport
Oct. 28 - CHENEY: Town hall, Sioux City

KERRY/EDWARDS
11 Kerry visits since March 3

Oct. 31 - EDWARDS: Rally, Waterloo
Oct. 30 - KERRY: Rally, Des Moines
Oct. 28 - EDWARDS: Rallies, Indianola, Davenport