The EA channel where we're awaiting a BF3 stream at 4:30 PT just started broadcasting ME3 footage, with all-new gameplay, promised Q&A and more..
Live Stream: http://live-event.ea.com/e3/chat/mass-effect SCROLL DOWN AND CLICK ON THE PANEL THING TO ASK QUESTIONS
Edit: It went offline. Here's the archived version: (thanks to PhatSeeJay)
You have PhatSeeJay down here taking care of all the info/features shown in the never-seen-before gameplay :