Here's my post from another forum...

Well, saw it this afternoon. Went in knowing and appreciating the conceit of the film. It still gave me a headache.
Mixed feelings. Technically, the effects were very well done. Easy enough to follow, fairly decent pacing. Cool creature, ya just gotta love big monster destroying civilization movies.
But the hand-held aspect, while obviously paramount to the movie, made it hard for me to watch. It may be an age thing - I'm sure younger audiences don't have the same difficulties watching it.
I'm curious what kind of legs it will have. Big opening week-end. People may return to see the little tidbits embedded in the movie (like the spoiler above mentions) but my "gut feeling" (pun intended) is that when people are aware of the hand held camera, it may keep them away.