Sold my D5100, left with 35 MM 1.8G lens. What body to buy?

Sold my D5100, left with 35 MM 1.8G lens. What body to buy? - 1
Added (1). Requirements
1.Portraits
2.Landscape
3.Low-light

I dont need large buffers and high shutter speed.

As I have only 1 lens I can switch to a Canon too.
Added (2). Thank you FotoAce.

How about D7000 which is about 40% less costly than D7100? Does the performance difference do justice to the cost difference. I understand, with D7000, I will get the same sensor in a different body.
Added (3). Same sensor as in D5100*
Added (4). BriaR

I need a body with motor.(I have a 50mm 1.8D which I hardly could use on D5100)
I need weather sealing.
I need to shoot in low light

These are the reason I am upgrading the body.
Another reason I believe this is right time to get a decent resale value for D5100.

As for buying Nikon, I learned when I started off shooting that Nikon makes better glasses than Canon.

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