Ah, speaking about fave Reid episodes! I agree with all the ones you listed, except I love Revelations. I also can't not watch Zugzwang, just because he's so gorgeous, I love Beth Reisgraf, and because he's so gorgeous. And nice to look at. And his hair was perfect.
As far as Reid/Rossi, I didn't hear a mention of Alchemy, which is probably my fave of season 8. I do have a bit of trouble sometimes with episodes that are Reid-alicious, but I can't stand the unsub story. Alchemy was OK, but i'm glad I have DVR every time I see Slave of Duty or Proof (gag).
I'm glad y'all mentioned Damaged, I really love that one! The relationship between Reid and Hotch used to be so precious, so this was a great example. As is LDSK, Revelations, Tabula Rasa, Elephant's Memory, etc. I was so disappointed when there was no Reid reaction to Hotch having complications in Route 66. And in season 8, when it seemed Hotch was the one who could help Reid the most in the aftermath of Maeve, they dropped the opportunity 2 or 3 times.