I like and own:

http://www.amazon.com/gp/aw/d/B00ELMXZSC?vs=1

http://www.amazon.com/gp/aw/d/B00FEQ429U/ref=pd_aw_sbs_2?pi=AC_SX230_QL60

The first one is very protective without adding too much bulk. The second is very slim and is my 'daily driver'.

I am using a Spigen Slim Armor Case

Mine does have a hole on the back above the LED (speaker?) that is not shown in those pictures. Seems to work great, dropped it from about hip height once and no cracked screen. Makes accidentally hitting that power button, stop happening.