I agree. "Yesterday" is a monumental song. I've performed it (singing over solo guitar accompaniment) and it affects me tremendously. Very powerful tune.
It's no coincidence that when Lennon tweaked McCartney about the changes in the breakup, he used "Yesterday" as the example of how good Paul used to be.
Nice! One of my favorite Beatles recordings is from Anthology, I believe, and it's the Yesterday when Paul is instructing the others about the key and chord progression before he jumps into it. Then he just leaps in and it sounds flat-out awesome.
Had the opportunity to see Paul at Fenway a few years back. The dude flat-out still rocks profoundly, and to my great joy, he played a Beatles-heavy set.