I'm supremely happy with this
http://www.amazon.com/gp/product/B00HUIL310
I put the metal plate inside my case so it doesn't stick to the phone. It's the perfect height in my pickup to see maps and play podcasts.
I use a magnetic mount that slips into my CD slot
Had it for ~7 months now and it looks awesome , constantly getting compliments on it.
Would have gotten a vent mount but I like my AC .