That post is a scam...I almost got got but they sent me a pic of the cases sitting in the sun at 3:51am PST with the current date to prove they were legit...I lol'd when I got that.
I'm in the market now and was going through the same indecisiveness but I'm leaning towards the 3X because I want the 24 module battery pack. I drive about 30k miles annually at mostly highway speeds (avg about 70mph). I live just outside of DC in northern VA where it's cold for about 3-4...