Hopefully Garmin is soliciting input from dog people that use their products when making changes. I think there is room for improvement on the sport models and the pro controls and not against change or improvements. I even have a suggestion or two on the pro series collars.
On the pro control I use the beep to get puppies to look out in the field to start with then use it if they need help on a mark, works great. A real duck sound on the Dogtra is good for hunt testers but I hate it for they way I use it because it just keeps quacking and distracts a young pup too much when using it when pup needs help. A single quack for each push of the button would be great. I sent TT a suggestion on the pro series collar a long time ago but don't know if it had any affect. I HATE the toggle switch. I have the 200 multi dog and always accidentally switching collars and getting a yip from a dog in the truck. On the 500 I would hate the toggle to switch from continuous to momentary that is why I buy the 200 instead of the 500. I suggested a slide switch on the side or the back instead of the toggle.
Im sure Garmin has people that know what they are doing. Hopefully they are asking people that use their products daily, I would if I were them.