Finally, after a few weeks after first appearance of Google Nexus 7 to public, you can install CyanogenMod 10 to the tablet. This is good news since the announcement if CyanogenMod team start to work on CM10 based on Android 4.1 Jelly Bean to Android devices as many as possible.
At this moment, Google Nexus 7 becomes the first Android tablet that ship with Google Jelly Bean preloaded touched by CyanogenMod 10. It happens after xda-developers member compiled his own build based on CyanogenMod source. So if you’ve already rooted Nexus 7 and installed CWM or TWRP custom recovery, you can download the latest CyanogenMod 10 version from download link than flash it through your desire recovery app.
Nevertheless, before you decide to flash your Nexus 7, please always do backup using your recovery tool; this is very important if unwanted things happen. In addition, this build is an experimental build that need more feedback and report to getting more stable since it is in alpha stage.
However, for now everything should be working including USB OTG storage, audio service, enable multi-user support, and fix duplicate activity name. For details information regarding the CyanogenMod 10 on Google Nexus 7, you can visit the original page and perhaps some updated information available with more stuff that is experimental added.
Once again, please backup first your Nexus 7 before flash with CM10 because it is an experimental build so there is always a chance you might want to go back to the default Android firmware instead continue to install CyanogenMod 10 on Google Nexus 7.