If you go to best buy, we sell the seido platinum series case and holster combo for the gnex. I am currently using that one. Had it since day one and no issues. Very low profile, sturdy, and you can use the holster without the case on if you want.
I do also have the otterbox defender series for my nex, but i only use that one when I think my phone has a higher chance of being damaged than normal.