When my thermostat died on me (ok, it didn't actually die, but it lost Z-Wave connectivity which meant I'd have to manually raise/lower the temperature instead of it being automated like it used to be), I started looking for a replacement. The thought of replacing it with the same model seemed easiest. I knew how to use it. My home automation system was already configured to work with the model. Plus, I wouldn't have to worry about whether or not the new thermostat would fill the (unpainted) space on the wall, which could mean a much bigger job, or a wall that doesn't look all that nice.
You probably have access to over 300 cable channels, and your cable bill probably costs you over $100 per month. Over 300 channels, wow, that's impressive. How many of them do you actually watch? Five channels, maybe ten? Most people watch very few of the cable channels they have. But when someone asks them or they have company over, they can say they have over 300 channels to choose from. What are they? Most people have no idea. So why pay for them?
I've had a Honeywell Z-Wave Enabled Programmable Thermostat for about 2 years now. I originally purchased it because being a Z-Wave thermostat, it went well with my Homeseer automation system. I'm also quite a techie geek, so the large touch screen weighed in pretty high on my decision as well. Within the last 2 years, the thermostat lost Z-Wave communication a few times, but not enough to drive me crazy...until a few weeks ago. It started losing Z-Wave communication every day.