Hey Wizzrah. I first just want to say thank you for all your replies to comments so far. You seem super helpful and your new HTC One M7/M8 rootkit isn't even out yet. That said, I am asking for a sincere favor.
I recently got an unlocked HTC One M7 (I believe GSM running KitKat 4.4.3 Sense 6) because I'm sure like you I do love the device (size, dpi, responsiveness, etc.); however, I am have a tough time rooting it. I've tried rooting on OSX 10.9.X and Windows 8.1 via terminal/cmd methods and squibble 2.0 rootkit (hasson 2000 would run on windows 8 or fully unrar). I keep getting to the adb backup stage right in the beginning and each method gives me an error saying a device not found error. Googling has thus far gotten me to this point.
I know this isn't a ton of details, but if you'd be willing to help I can take you through what I've done, screenshots and all, and hopefully I can get the device running rooted, bootloader unlocked, and running each a port of MutliROM I found for it with Sense 6 and Paranoid Android, or even just a android rom.
I know you must be busy, but If you could render some help, I could give you further details on the situation, that'd be most appreciated.
Thanking you in advance,
ArmofJustice