The D7 while it is a very nice tool had an upgrade about 3 months ago. It is a D7S it has a camera, a kick stand, more memory and more features and a new interface. The D7 should only be considered if you can get a really good deal on it. The D8 also recently had an upgrade to a D8S while the D9 has not yet had tge upgrade itbis expected to be.
The D7 while it is a very nice tool had an upgrade about 3 months ago. It is a D7S it has a camera, a kick stand, more memory and more features and a new interface. The D7 should only be considered if you can get a really good deal on it. The D8 also recently had an upgrade to a D8S while the D9 has not yet had tge upgrade itbis expected to be.