It's offically announced. Blizzcon 2013 will be held on November 8th and 9th at the Anaheim Convention center, as usual. Taken from the Blizzcon 2013 website:
BLIZZCON!!!!!! The seventh BlizzCon is coming to the Anaheim Convention Center Friday, November 8 andSaturday, November 9, 2013. Those who join us for this epic community gathering will experience two solid days of hands-on time with the latest Blizzard games, in-depth developer discussion panels, intense eSports action featuring some of the top players in the world, and a variety of other exciting activities and events. Further details on the show, including ticket pricing and availability, will be posted here on BlizzCon.com at a later date. In the meantime, check out the press release for more info and prepare to help us blow Anaheim's mind.
I've been to Blizzcon 2010 and 2011.. So I'm really going to try and make it to 2013, as well. See you there, hopefully!! :)