I liked it. Didn't love it - missing Sam too much - but Alex is interesting.
One interesting thing I noticed - Alex isn't in every scene.
Which given that Sam was in every scene of LoM makes me think that maybe, just maybe, we're in for something a bit different.
Like maybe although she's entering 1981 confident that it's all a hallucination (I like the line from next week's ep quoted in the Radio Times - "good morning, fictional constructs!"), it is actually real. Daft, I know, but I'd love it to turn out that Ray and Gene and Chris and Annie are all "real".
And they didn't find Sam's body...there is hope.