I use Tri-tronics and most people I talk to say that Tri-tronics and Dogtra are the best performing and most reliable collars out there. I have also heard a lot of negative comments on the collars you are looking at. But that's just what I've heard.

It seems like if you decide to buy an ABC X100 collar it will be priced the same from store to store but the best deal I have found is Lion Country Supply. They are as cheap as anyone else, plus they usually throw in a holster and 2nd day air shipping. You don't pay sales tax unless you live in PA. Their sales people on the phones actually own dogs and are knowledgable about the products they sell. They are not just order takers. www.lcsupply.com

Hope that helps!!!