Unite 2012 was a Unity3D gathering in Amsterdam, a couple of weeks ago.
Here is a VERY long video presentation, which includes the founders of Unity talking, and other aspects. I haven’t watched it all, but its quite interesting so far:
http://www.youtube.com/watch?v=24AY4fJ66xA
A short tech demo for the upcoming Unity 4:
http://www.youtube.com/watch?v=Qd1pGJ5Hqt0
Here is a short video showcasing Unity games, good for seeing your competition!:
http://www.youtube.com/watch?v=cI50qQm5OiM
Use this as motivation to make your games better!