"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
30 Inch Displays Now Shipping
Also announced today is the new Mac-compliant x800 graphics card from ATI which is only the second card available on the market able to drive the new large-scale displays. One major difference in the two cards is the ATI card occupies only one slot, whereas the NVIDIA requires two due to its large cooling apparatus. Pricing for the new ATI card has not yet been announced.