That estimated gross comes in just ahead of Smith�s previous top debuts for "Independence Day," "Men in Black" and "Men in Black II," which had opening July weekends in the $50 million to $52 million range.  

�Spider-Man 2� held its own with an estimated $24.2 million this weekend, bringing the total gross for the film to just over $300 million in 19 days. 
Hilary Duff�s new romantic comedy �A Cinderella Story� landed in third place with $13.8 million first weekend take.  

And Will Ferrell�s new comedy "Anchorman: The Legend of Ron Burgundy," dropped from its second place debut last week to No. 4 this week with an estimated box office of $13.4 million.  Michael Moore�s �Fahrenheit 9/11� dropped one spot to No. 5 with an estimated gross of $7 million.  

Estimated Weekend Box Office Top 10:  01 - "I, Robot� - $52.25 million
02 - "Spider-Man 2� - $24.2 million
03 - "A Cinderella Story� - $13.8 million
04 - "Anchorman: The Legend of Ron Burgundy� - $13.4 million
05 - "Fahrenheit 9/11� - $7 million
06 - "King Arthur� - $6.9 million
07 - "The Notebook� - $5.45 million
08 - "White Chicks� - $3.4 million
09 - "Dodgeball: A True Underdog Story� - $3.2 million
10 - "The Terminal� - $3.1 million
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