Anyone using this specific i-Blason case from Amazon? Any comments are welcome, looking something for my Nexus 7, thanks....Amazon.com: i-BLASON Google Nexus 7 inch Tablet Genuine Leather Case Cover Detachable Landscape / Portrait View (Smart Cover Function: Automatically Wakes and Puts the Nexus 7 to Sleep) for 8GB 16GB Android 4.1 Jelly Bean - Three Year Warranty (Black