Yes. I hope this extends out to other formats.
The new format is causing hiccups in Pr, however:
http://blogs.adobe.com/premiereprotraining/2012/07/importing-avchd-media-in...
What I hope this points to, is an AVFoundation universe free of QuickTime.
Sure, there'll be some hiccups like the one above, but hopefully it will mean direct access to media essences without much trouble and at the OS level in 64bit.