For someone who grew up when Ray Harryhausen's animated creatures were the pinnacle of special effects, and for whom the first Star Wars film was an absolute revelation in this respect, I would say that it's all pretty amazing.
Although, to be picky, the long shots of the dead army could have been better.
Oh, and the lemming-hyena things were a major disappointment. Nothing to do with special effects, though. They just weren't Wargs.
