According to their website:
Podstock is a brand new conference designed to bring podcast creators and those who see the real value of podcasting as creators and consumers together. We'll have breakout sessions on podcasting for beginners, as well as sessions for and by seasoned pros. We'll explore podcasting as well as many other web 2.0 tools that can enhance learning and communication in your world. We invite you to join this site and add your thinking to the initial planning for this event. The conference will be held in Old Town Wichita, located in Wichita, Kansas and host participants from all over the country. It will be 2 days of education, learning & fun, so we hope you won't miss it!You can also check out their social networking community (Ning).
By the way, the logo is an owl on a microphone - not Hello Kitty. Am I the only one who saw a resemblance?