The dramatic USA Today county by county map from 2000 is the one that I recall. http://www.usatoday.com/news/politicselections/vote2004/countymap2000.htm Red was used for the shock value, front page of the paper.
Darn colors are backwards. Now the R's are the bloody revolutionaries, D's fear the extremists, and want to preserve the status quo. I blame this darn map. Heh.
"An idealist is one who, on noticing that a rose smells better than a cabbage, concludes that it will also make better soup." - H.L. Mencken