According to a report of the All Things Digital(check here), Apple will host the event for the presentation of iPad 2 Wednesday, March 2! The article does not mention anything more, so a formal invitation to media houses and press is very close. Logically, the site will be the Yerba Buena Center for the Arts and it still remains unknown whether Steve Jobs is all fine to host the event or not.
All Things Digital published “ According to several sources close to the situation, the Wednesday date in a little more than a week is firm and will take place in San Francisco, the scene of many such Apple events. “