it does hardware H.264 ENCODING
Now that's impressive, saving the purchase of an expensive hardware encoder, or a lot of your time. Apple's machines are already pretty fast due to putting a lot of video filters, etc., onto the video card (saving the purchase of a real-time card), and this move will make them even faster.
And this looks like a step towards DVR. Put that on a mini and you have the potential for the best DVR on the market.
"Put that on a mini and you have the potential for the best DVR on the market."
Exactly. Couple it with the iLife/iTunes suite and extension modules like Apple TV and you have a true media center base.