Prequel

Francis Lawrence confirmed that there will be a prequel and that Will Smith will be reprising his role. He stated that this movie would reveal what happens to Neville before the infected take over New York. D. B. Weiss has been recruited to write the script, while Lawrence would direct "if we figure out the story." Smith stated the film would have Neville and his team going from New York City to Washington, D.C. and back again, as they made their last stand.[64] The film will again explore the premise of what it's like to be alone, as Lawrence explained, ". . . the tough thing is, how do we do that again and in a different way?"[65] The film is slated for release in 2011.[66][67] It has been confirmed that the title of the prequel is "I Am Legend: Awakening."

I'm unsure about this. If they pull it off then, I'll be happy but I'm unsure if they will be able to.

The first movie was great until the the final 10minutes or so!

I wasn't really sure about this movie all that much. So I do not know what the prequel will be like.

Can't say I was too impressed by the first movie but you never know, a prequel may be pretty decent.

I loved the study of desolation in the first one until it rapidly descended into CG monsters in standard action fare.  There were some truly fascinating moments, such as Neville's near psychotic reaction to the mannequin being in the road where it shouldn't be.  Plus the ending was pitiful (saved by the alternate-should've-been-theatrical cut on the DvD) 

A prequel will have none of the successful elements of the first, so I have no clue what to expect.  Plus, it neither of them ever had a hope in hell of matching the novel.