What's working (from the things that were tested)
* Full GPU acceleration
* RIL?
* Touchscreen
* Multitouch
* Audio
* ADB
* Mounting of internal/external storage
* UMS
* Keypad lights (still some bugs with brightness control)
Currently touch keypad is not working, so it makes touchscreen buggy.
More info at: http://forum.xda-developers.com/showthread.php?t=2012939