“I love tickets!” squeals Cameron Diaz’s character in the first Charlie’s Angels movie. (And why has no one ever made a gif of that?) It’s supposed to illustrate what an eccentric character she is, but I understand completely. I love tickets. And spring is ticket season. Season-ticket season, to be precise. All of the arts organizations announce their upcoming seasons, tickets go on sale, and I spend hours each spring planning what I will be doing on Saturday nights all next winter. I’ve already written about next season’s offerings at Seattle Opera and Pacific Northwest Ballet. Now let’s talk about Seattle’s best theater.