There is a working build, It's been 12 hours since I installed it. Very stable with little problems, like FM Radio not working and No offline charging...maybe because it uses an old kernel.
Check out this thread: http://forum.xda-developers.com/show....php?t=2493994
On post #36 you will find a download link. Also, you will need GApps. For 4.2.2 you will need "gapps-jb-20130812". Remember to do ALL wipes before flashing this.
*SD Card (This is internal SD Card)
On Advanced Wipe dalvik cache.