I saw Signs last night and while it was pretty decent it's not nearly as interesting as you are making it out to be.
Here's a couple questions though:
When put in a postion where you have to protect your family wouldn't just about anyone think to pick up some sort of weapon? They were repeatedly in situations that called for weapons.....ANY weapon whether it was a big knife, pipe, bat, wrench or even a shoe. It was driving me crazy when he went out in the cornfield at night, when the aliens were trying to get in the hous, when they were in the basement, and THEN AGAIN when they went up for the medicine! FSCKING PICK UP SOMETHING....GEEZUS!
On a similar note is it really believable that the aliens don't have any sort of weapons. I know they may have wanted to hand-to-hand fight according to the book but they don't have any sort of gun, knife, lightsaber, nets, blowdarts, tranquilizer guns, or anything? Seems like a big stretch to me.
Much of this movie was just too over the top cheesy for me as well. Having the guy on T.V. say the exact same words as the kid, many of the little "jokes", etc. It really could have been written a little better.
Don't get me wrong, overall I enjoyed my trip to the movies. I just think it could have been better.