The virtual tickets for the upcoming BlizzCon are on sale at the BlizzCon website. Tickets are priced at $39.99 USD each and provides a multi-stream internet stream and will also be available as Pay Per View on DIRECTV in the United States.
Fore more info, check out the BlizzCon Live Stream page or the Virtual Ticket FAQ.
Sources:
BlizzCon - Blizzcon 2011 Virtual Tickets Now On Sale
BlizzCon - Live Stream
Blizzard Support - BlizzCon 2011 Virtual Ticket FAQ
