After a brief hiatus, it's time for another 30 day challenge - and this time around, it's with the Google Nexus 5.  I'm kicking off 30 days with Google's iconic Nexus device, complete with a $350 unlocked price tag and high-end specs like Android 4.4 KitKat, a nice body, 2 GB of RAM, a quad-core 2.26 GHz Snapdragon 800 CPU, and an 8-megapixel camera with 1080p HD recording capabilities.

You probably knew I was going to do a 30 day challenge on this - but in case you didn't guess it, the official challenge kicks off today.  I'm using this as one of my devices and taking a look to see how it compares to other high-end devices on the market.  Since I kicked off the challenge this morning, I've been very impressed with the 4.95-inch 1080p HD display.  The build quality is very solid, and it has most of the duds of a $600 no-contract carrier-branded device.  The price point continues to turn the unlocked device market on its head, and it goes against other devices like the Galaxy S 4, HTC One, and the LG G2.

In addition to the hardware, there are some software changes as a result of having Google's newest mobile OS.  The Hangouts app is used for SMS, and it has unlocked 4G LTE capabilities on AT&T, Sprint, and T-Mobile.  KitKat looks nice as well, with an updated app drawer and good looking icons.  It's reminiscent of something from Huawei or Oppo's respective UIs - and the overall interface has been cleaned up versus previous vanilla versions of Android.

I want to hear from you on Twitter (@PhoneDog_Aaron) or in the comments below with what you'd like to see covered in the challenge series.  Whether it's a feature (battery life, call quality, and the like), or perhaps a comparison with another device, reach out to me and I'll do my best to cover it at some point in the series!