I second this request. I have friends that play the PC version, and will now have a group to play with on the Xbox. Saddy, I had to stop playing on the PC due to back problems. Controller support would allow me to double dip on both platforms.
It is possible to say Xbox record that, or use the controller option If you don't have a Kinect to record the last 30 seconds of game play. Once you do that your clip can be linked from xboxclips.com. Just do a search for your username in top right hand corner of the landing page.