>The D7000 will function with a battery in the grip only. >There is a setting in the menu for choosing which battery is >used first. I keep mine set to use the one in the grip first. >Enjoy your new camera.
Mine is set up that way, but if I take the battery out of the camera, it won't turn on.
I hate when people ask me what I see myself doing in 5 years...... I don't have 2020 vision!