Sweets for Geeks: Jellybean on my Galaxy Nexus

Google officially announced its latest update to the Android mobile operating system at it's 'best' I/O ever last month.  Jellybean, aka Android 4.1.x, builds upon the Halo theme gui that Ice Cream Sandwich introduced and keeps with a consistent theme throughout the OS.  Several key new feature have been included in Jellybean including Google Now and a much improved notification system w/actions.