beastsurf said..
If you buy one and put it on your favorite or the board you use on the outer reefs or where the men in grey suits are more prone then at least you have protection. The more people in the water with them the better. Who knows if we all get them then maybee we want need any other measures.
Thats the best advice.
As the way the product works, its need a distance to be able to separate the electrodes to work well. The mains power source in Surfsafe is between the fins, (the least likely spot to be damaged and the second electrode is up under the front foot. Those two are connected by a wire and if they were not fitted internally in the board, it just wouldn't work.
The shark Shield product works on the main power source on the rear of the board and a lead hanging down into the water. So technically you sit just next to the safest spot, not to mention if the lead is sitting on the surface, its not working.
Shark shield received money from the state government to try and make a system were the electrodes are in the fins and therefor removable. But that system for what i understand still needs the power source fitted under the tail pad. SO you would still need to have multiple boards fitted with a power source and the fins would then just be the electrode. But Dave explained to me that fins don't allow for very wide electronic circuit (being so close to each other) as well as they simply are often the first thing smashed on a surfboard.
The ECS i think is more or less a leg worn system that you can move from board to board. More like a leg rope.
I think by the simple nature of what they are we will never see something like surf safe that will move from board to board. The best we could hope for, is it goes viral and the price can be helped by shear volume of sales

The above is just from my understanding and i could be wrong, (But i don't think i am)

Maybe Dave when he gets back can confirm