Nikon 18-135 vs 18-200 VR vs 55-200 VR

[TUX424]

I wanted to know if anyone had any coments on these 3 lens mainly about IQ so any input is great
thanks

 

[dEARlEADER]

well.... you have an 18-70 so why don't you just pick up the sharp 55-200vr and save yourself money?