For Meeting Planners > Convention Calendar - LVCVA.com
Convention center is listing it but they may have jumped the gun.
from
BlizzCon 2010: July in Las Vegas!
If it's real, fuck yes this is going to be awesome.According to the Las Vegas Convention Center website, Blizzard will be holding BlizzCon 2010 in Las Vegas July 30th and 31st. Upon inquery, the Convention Center was able to verify the dates and that Blizzard is running the event. However, Blizzard has yet to announce this themselves.