Email world 2013 worth to attend

Just wanted to check in with you guys opinions, is it worth to attend the email world 2013 coming up in sep 24?

Seems like the topics that they presents those widely available through the net or any of those presenter’s site.

I just wanted to justified the registration cost to see how much things i can get back out of this if i attend.
Seems like going to be list of method and instruction, then i might end up sign up one of those company for there service.

Any advice will be appreciated.