There's no real trick here. You just click on different threads, read through the posts, and respond if you want to chime in! There are different boards for information about tour, events, songs, games, etc.
Aw, I hope she does come around your birthday! That would make for the best present ever! I'm sure there are plenty of people on the forum from your area. Once she announces the dates, you can comment in that specific thread for the show you're going to meet up with other Katycats who are also attending! I would love to join you, but alas I'm from California and plane tickets are a bit out of my budget at the moment!