I've never owned an S-Off device. Last was HTC One X+ that only had bootloader unlocked and root and did fine with custom roms and tweaks. Just couldn't flash radios straight up but scripts worked around that.
Anyways, I'm in for $20usd. Can only imagine what's possible with this beast of a phone!
Device: Verizon HTC One (M8)
Current Rom: Stock
Location: Southern Cali