The fan looks to be the same size or slightly smaller, meaning it should be just as silent. This is great news. Also, ditching the Kinect port for a free USB adapter is smart. I love my Kinect for voice commands, but they shouldn't waste time on a port that a fraction if users will use.
Question though, what good is a built in IR blaster? Using the built in blaster assumes you don't have Kinect, but what is the blaster used for if you don't have a Kinect. Are people really going to leave a headset connect to their controller for on/off and volume commands? Using it for remotes defeats the purpose since a universal remote would just control all of your equipment anyway. I don't know, I feel like I'm missing something.