...used to belong to Tesoro's writers club and got all my detectors at distributors price - 48% off. Then one of the boys pi$$ed me off over a detector I ordered and I pretty much quit using Tesoros. Guess that's more than you wanted to know.
Not me, Bill - I like to know all sorts of "stuff."
I know this is a Garrett forum so I wont belabor this point, but the Tesoros are indeed great little beepers. They aren't feature laden like the Garretts, so you develop different methods. But one of the best things that ever happened to detectors was the uMax format.
As for the CX series models, I thought the balance would be good at first, especially since the arm cuff was broken on the one I had and I had little choice but to let it swing. At first it was weird but tolerable. Yet the more I used it, the more I got to not liking it. That's just me and is essentially an ergonomic issue - ergonomics vary from person to person.
I confess to being surprised that the swing mechanics have been retained on the CX's (essentially the same balance and moment arms as those from the early days), and I am at a loss to explain why. Possbily as a way to distinguish the line from others in the Garrett catalog. Nevertheless, the detectors function is pure Garrett... loud and clear on good targets. If you have one, or can get one, use it. They work well.