Both use Gateron Black Ink V2 switches, lubed and filmed, with their springs swapped for Durock gold springs. They're very satisfying to use
The only thing I'd change is to find a purple case for the Frog TKL that matches more closely to the color of the Frog Pad. But, I'm still happy with the keyboard, and the color difference is less pronounced in real life, than the picture would make it seem.