June 12, 2012
Here is link to software update for new macbookpros, which I guess nobody has yet!
and guess what, it has NVDAGK100Hal.kext !
also has ivy-bridge video drivers
A release notes for this update:
This update is recommended for MacBook Pro (mid 2012) models. The update includes fixes that improve graphics stability, external display support, and USB 3 device support.