I'm starting to eye up a telephoto zoom and have it pretty narrowed down to Nikon's 70-300 f4.5 VR or their 80-200 f2.8. There's about a $300 price difference with the 80 - 200 being on the higher end. Does anyone have any experience with both lenses? Would the VR compensate for the smaller max aperture? Any other advice is appreciated.