I personally like it very much: power visual experience, resonance with the inner emotion of casts and a reasonably logical ending. Don't want include any spoilers here but I highly recommend that if you're a Star Wars fan, watch it and don't let other people's opinions affect you: because the experience is personal and only after watching, you feel it. Even it doesn't meet your expectations, it is what it is. Though, I have to say that I like this episode more than 7&8, probably one of my favorites.