Nintendo 3DS will have the whole conference to itself during the Software Showcase on Wednesday, June 6. So do not miss and perhaps we'll see new announcements.
http://www.nintendoworldreport.com/news/30434
The presentation itself is taking place at 6-7 p.m. PT/9-10 p.m. ET at the Los Angeles Convention Center, and is going to be live-streamed by Nintendo.
http://www.nintendoworldreport.com/news/30434