so im a 20 year student at the moment, with a passion for photography. i eventually want to open my own studio, but thats a long ways away ;] anyways, i had some newbie questions, and would really appreciate some feedback. So, im pretty sure on what camera i want to get(Nikon D90) but not sure about the lens. It comes with a 18-105mm lens but most people that have that camera say they dont use that lens at all.. any opinions on which lens to get? Just keep in mind that im on a college student budget, so im looking for a lens i can use for a while thats pretty versatile. thnx!!