After watching Al Gore's excellent and eye-opening documentary, An Inconvenient Truth, my interest was renewed in purchasing a programmable thermostat to replace the stock mechanical unit that came with our house some 5 years ago. I had wanted to purchase and install a programmable thermostat for quite some time, but I never quite got around to the deed. But now I have a larger reason to make it happen, so while I was on vacation I happened into the nearest Lowes and shifted through the myriad of choices. After about ten minutes of reading and comparing (features, size and prices), I choose...