I enjoyed it, I was worrying that they were going to give us some kind of easy 'Voyager-esque" episode wrap up since we were getting real close to the end without any resolution in sight. I'm glad it's a two parter.
As far as the actual episode goes, I enjoyed it, I clicked on this thread and saw the "Look it's Die Hard 1" comment, so I knew what to expect as far as the premise was concerned. I did like that they didn't shy away from the violence and actually showed the gunshots hitting the targets (something television does shy away from a lot). I wasn't as shocked about Red's people getting killed. Not only because I read it here, but because I knew they weren't going to show any actual FBI agents being killed through inaction (whether it was Red's inaction or Agent Cooper's).