My problem with Transformers is that it gets to be too much at times. Too over the top, especially in the big battle at the end. I was sitting in the theater thinking 'enough already!', especially at that shot of the guy sliding on the ground shooting up at one of the decepticons. Ridiculous.
As for the lens flares...meh. I know that whatever Ady adds, it'll be tasteful, but I don't really care one way or the other. Maybe if we saw a sample, he could change some minds.