The RTD vibe was very strong with this episode! I agree with everything you noted here, but for me the episode was much less than the sum of its parts. There were some great moments though – I enjoyed the first half much more than the resolution. Also, Mark Williams is perfect as Rory’s dad.
I’m certain Kate Stewart will be back. She didn’t really have much to do in this episode, which gave me the feeling that she was simply being introduced for a bigger story later. She was given too much weight to just be a one-off character. The Doctor even saluted her!