I've seen that virtual fencing, looks like cool tech but idk if i trust it yet. Goats are little houdinis, plus if your running 35-50 head of goats out there, that gets pricey quick not to mention charging and labor to put them on. Plus I worry about working the goats up, worst thing is an amped up goat. The premier1 fence netting has a high rating, and seems to be a popular option for temporary fencing needs. Plus for 800 bucks you get like 300 ft of electric fence, charger and ground rods.
Far as judas goats, i had to look those up. I wonder about training and with the same worries as the invisible fencing, I have 0 experience with stuff like that. It's always, panels, fence or wire to keep them in.
I live in waco....therefore, I am ready to move elsewhere.