I have the Moko ultra slim and really like it so far. I have the Poetic on my old Nexus and it fell apart pretty quickly. The Moko is also lighter and thinner than the Poetic. There are wake problems with a lot of the new Nexus models but I leave Bluetooth on all the time and it works fine now.
http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1