Well, the iPhone iPod Out will require that the video D/A converter circuitry be integrated into the actual snap in so it is understandable that it will take some time to develop and be released.
I would expect a significant price increase as well.
-2012 E92 M3 Jerez Black/Rust Brown, M-DCT: September ED
-2008 E90 M3 Melbourne Red/Bamboo, 6MT: Gone
-2007 MK5 GTI United Grey/Grey, DSG: Gone
-2004 E46 M3 Carbon Black/Cinnamon, 6MT: Gone
-2002 E46 330i Orient Blue/Natural Brown, 5MT: Gone