Custom android ROM Cynogenmod 10 / 10.1 on the Galaxy Nexus android phone and the Nexus 7 tablet and I give you an overview of Cynogenmod 10 and some of the customizations that it offers.
http://www.cyanogenmod.org/
Nexus Root toolkit http://www.wugfresh.com/nrt/
Cynogenmod for Nexus 7 Wifi http://get.cm/?device=grouper
Cynogenmod for Galaxy Nexus GSM http://get.cm/?device=maguro
Google Apps for Cynogenmod http://goo.im/gapps
