If you're an Optimus Black owner, you may be interested to know that CyanogenMod 10.1 nightly builds (see blurb below) have arrived for the LG handset. CyanogenMod 10.1 is based on Android 4.2, and includes many of the cool new Android 4.2 goodies like notification bar power toggles, Swype-style keyboard input, and a brand-new camera app.
[nightlies]
Get the latest build at the source link below.