Since I was born and raised in the Bronx, I know a little bit about NYC and you are 100% right about "getting" Nikki.
Nikki was a great judge and I also liked Keith. Mariah was all about Mariah. If I heard here say one more time that she couldn't stand because her dress was too tight, I would have thrown something at the TV! Lose some weight or wear clothes that fit you!!! The show is about the contestants, not Mariah.
I agree about Randy. His time has come to move on.
I would love to see Nikki and Keith come back but I don't think they will and it would be outstanding if J-Lo came back.
Take care of all of your memories, for you cannot relive them - Bob Dylan