On #1, are you referring to the CUDA info page? You can easily click on “Scroll to current focus” and it will show you the active warp in the view. The Warp Watch behaves like a regular Watch, in that, it will display the state related to the currently focused thread. What exactly is the scenario you are needing?
#2, we could add keybindings to those commands, the key is finding unused ones. For now, you can go to the Tools | Options … page, under Keyboard, and set a keybinding for those two commands, they should be listed under “Nsight.Cuda. …”