Whilst the CyanogenMod team have been working hard on the new version of their Android ROM, CynaogenMod 10 which is based on Android 4.1 Jelly Bean, they have also bee working on finishing off CynaogenMod 9 for certain devices.
According to the guys over at Android Central, the first stable build of CyanogenMod 9 for the Samsung Galaxy Nexus (GSM version) has now been released.
You can find out more information about CyanogenMod 9 for the Samsung Galaxy Nexus over at the CyanogenMod downloads page.
Source The Verge