Aren't they making them to be used in the woods? Nice bit of extra income for the owners if they manage to buy some.I have heard a lot about this and i think within time it will take some business away from the rec ball sites.
There is even talk about having gps tracking on them so you can be in your base and know were the enemy is and telly our side to go and get them....
i think it is evolving in such a way that rec site owners are going to have a run for there money.