I have a D90, Sigma 10-20, Nikkor 18-105, Nikkor 105 macro, Nikkor 70-300 vrii,
70- 200 vrii, Nikkor 24-70, and a 2x tc.
Upgrading the camera seems like the logical next step but do I stick with dx D7100 or make the leap to fx D600. I shoot everything I see, including images for stock but I'm having a rather difficult time deciding on the best route forward.
Your thoughts please ladies and gentlemen?

70- 200 vrii, Nikkor 24-70, and a 2x tc.
Upgrading the camera seems like the logical next step but do I stick with dx D7100 or make the leap to fx D600. I shoot everything I see, including images for stock but I'm having a rather difficult time deciding on the best route forward.
Your thoughts please ladies and gentlemen?
