For those who broke their Nexus 5, bought it from the Play Store and under the 1 year warranty you can get a replacement for free. This is a refurbished phone and you need to call and see if you qualify. http://www.gadgetreview.com/2014/09/google-play-reportedly-offers-one-time-free-nexus-5-replacement.html
I just did mine with a cracked screen.