I feel it was slightly above average, but very entertaining. This movie has been done plenty. It is a cross between National Treasure and Armageddon. Both good movies in their own right, but it just seems it has been done. It was very entertaining and had some nice twists that kept you thinking, but there were a lot of parts where you were like "really, come on".
Angels and Demons is a very enjoyable mystery that will keep you on the edge of your seat and I have to recommend it.