From his tweetstream overnight (my time):

Well, sitting in JFK lounge. Flying to LA this morning. Sharp contrast. But, you know, it's possible to love LA and NYC x
It's possible to like the Beatles and the Stones. x
You can love Mozart and Wagner x
You can like Dickens and Austen x
You can like iPhones and BlackBerries x
Carbs and protein x
Bach and Mahler x
Coke and Pepsi. (Coke and Ecstasy for that matter ...) x
But NOT Vista and OS X. Non posso. Unmöglich. x
Well praps I went a bit far with coke and pepsi. Should've tweeter "you can dislike both coke and pepsi" x