I'm glad someone else noticed this. I was in Section 531, Row 4... now, I know these are the "cheap seats," but after all of the talk of the improved sightlines, I was pretty upset that I couldn't see the entire left field wall. That's pathetic for a "state of the art" ballpark. If I was in a similar seat at Shea, I'd see more than I could see tonight.
That said, I like the feel of the new park, and all things considered (minus the sightline issue) its a good place to watch a game.