I am thinking of ditching the prime lens and just buying the body of D5100. I am currently planning to buy any one of the following lenses to go with it:
Refurbished Nikon 18-105mm, or
Tamron 18-200mm f/3.5-6.3 XR DI-II B.I.M. (Built-in Motor) LD Aspherical (IF) AF Zoom Lens with Macro for...