Well, if my perfectionist nature were allowed to run free, and if Peter et al's encyclopedic knowledge were somehow all transferred to paper, the second edition of High Performance MySQL would end up being the perfect encyclopedia of MySQL performance. But as it is, you're apparently going to have to settle for "very good." This quote by Sheeri Kritzer Cabral, one of our tech reviewers, really made my day:
I gotta hand it to Peter, Vadim, Arjen, and Baron. They know how to write a book!
And now I must begin a solid weekend of revisions... wish me luck!