Here are two excellent reviews:
http://www.consumersearch.com/www/internet/web-browser-reviews/index.html
http://www.eweek.com/article2/0,1895,1997986,00.asp
http://www.consumersearch.com/www/internet/web-browser-reviews/index.html
http://www.eweek.com/article2/0,1895,1997986,00.asp