I'm still watching The State Within, but only with half an eye.

I actually really enjoyed the last episode of Spooks: I thought it was a relatively straightforward suspense story, but that they did it wonderfully well. I was literally bouncing around in excitement by the end. But some of the dialogue was daft and the resolve with Adam's bit of metal was terribly corny. Mr A. agrees that it was a let-down. What didn't you like?