I just watched the entire show from start to finish, and it blew me away. I listened to all of the songs individually before watching, which was a big mistake.
Anyway, my top 5 (in order):
1. Jewels & Drugs
2. Manicure
3. Artpop
4. Swine
5. Sex Dreams
It'll probably change over the next few hours/days/weeks.
I love "I Wanna Be With You" so much..... It really shows off her songwriting ability and her emotional side, and I think that it's one of those songs that really shows how much dedication she has to her fans. I think it's great also that the lyrics relate specifically to her situation about having to cancel the remainder of her tour and being upset and afraid that she let her fans down, but it could relate to something entirely different for someone else. I just love it; in a sense, it reminds me of "Speechless", one of my all-time favorite Gaga songs.