This lens: Nikon AF-S NIKKOR 55-300mm f/4.5-5.6G ED VR Zoom Lens 2197 - B&H vs. this lens: Nikon AF-S VR Zoom-NIKKOR 70-300mm f/4.5-5.6G IF-ED 2161 - B&H Assuming the 55-300 performs like the 55-200 but with more reach, does the 70-300 offer anything to justify the higher price tag? Is internal focus the primary advantage? The 15mm difference at the short end does not mean much to me, although 55mm is where my kit lens leaves off. Also, I understand internal focusing to mean that the overall lens length does not change when focusing; does this also apply to zooming? I have used my father's 55-200, and the lens growth while zooming and focusing is a bit comical, and gives the lens a cheap, unprofessional look (reminds me of when film P&S cameras first had motorized zoom lenses). Aside from awkward looks, does this matter in any significant way for image quality? I know I am asking several questions, some of which have surely been asked before. Thanks in advance for taking the time to consider them.