D600+105mmVR vs D3200+85mmVR

I am taking insect photos with the D3200+85mmVR and R1C1 flash kit. I also have the 105mmVR micro lens. Do you think there is any advantages if I also get the D600. What is the advantages and disadvantages when comparing the D600+105mmVR vs D3200+85mmVR?

D600+105mmVR
- not need the SU-800 of R1C1
- better image quality (?)

D3200+85mmVR
- less weight (?)
- less price

Anyone have experience on both setup? What can you add on the lists?

Peter Chew
www.BrisbaneInsects.com