It's obvious from the 3D glasses we just got handed as we were entering, that Sony is going to be debuting a 3D system in a few minutes. You can watch that live.

Here's Ustream's video, which you can watch comfortably without 3D glasses.

Click to view

Also, again, you can watch the stream live on YouTube here.

Don't forget Kotaku's live coverage and commentary here as well.