I like AI especially for the photo retouch tool. And, since I write quite often and use email extensively, I am looking forward to the AI tools for writing and email sorting. Genmojis and images playground are just exceptionally useless tools for me. As for Siri? I wish I could use it more but, as it stands, I agree it is utterly useless (for instance when I want to open the Disney+ app on my AppleTV via my HomePod, no way to do that).
I would also like to have the voice memo transcription in Italian, which would be extremely helpful for meetings and notes.
So all in all, having Apple Intelligence in English opens a lot of things but speaking Italian, and having all the documents in italian (or German) prevents me from really using Apple Intelligence as it currently stands. That's why I am eagerly looking forward to 18.4 beta.
As for "non AI features" the new calculator, Freeform and the Notes revamp made my iPad really really useful again.