BioWare has announced that Dragon Age II lead designer Mike Laidlaw will be hosting a live demo of the RPG sequel via their new advertising-supported webcast page at 1:00pm PST on Saturday, March 5th. Word is that he'll be taking us through The Exiled Prince DLC, while also showcasing the character creator and the dozens of items that are attached to the game through various promotions.
Following the demonstration, there will be a Q&A session, which I'd guess will be the final chance to get any questions answered prior to the game's launch next week.