You have been randomly selected to participate in the Beta Test of our new message list page. We've rolled out this test in order to get additional feedback and error reports from a wider subset of users. We'll only display this notice once, but permanent links to disable the Beta, provide feedback, and get more information will be located at the bottom of each message list.
The extra character packs aren't really worth it unless you're a huge fan. The extra levels are pretty cool, but some are quite short. Even if you buy every piece of DLC like I did, it's still cheaper then a full priced retail game. --- "Must be glorious to have such a happy knack for clarity and concision."