War of the Worlds - Reaction

Okay action flick. Likely good on a big screen with very loud sound effects. But, I have a lot of issues with it:
- the ending is too hollywood
- the narration could've been good but seems tacked-on at the beginning and the end
- the movie doesn't show much of enemy at the beginning (e.g., leaves out major explosions, doesn't show much of the tripods actually coming out of the ground) -- it's better on this count in the last two-thirds of the movie
- finally, too many items are left unexplained, including are the aliens tourists, why are they harvesting people, why did the 747 crash at that time, why did the camera work so soon after the EMP but other electronics didn't, and if the tripods were planted before people arose, why didn't the martians just take over at that time.