You have a lot of information/replies to take into consideration. The D7000 is a very good camera although the D7100 does have a few advantages in my opinion. with regards to a starter lens I would recommend you consider looking into the Sigma or Tamron 17-50mm F/2.8. I would even recommend you visit a camera store and try the lens and compare it to a kit lens and the lens you are considering (50mm f/1.8). The Tamron comes with a 6 year warranty.
http://www.bythom.com/Sigma17-50mm_lens_review.htm
[url]http://www.youtube.com/watch?v=as9YxgONIQI
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http://www.bythom.com/Sigma17-50mm_lens_review.htm
[url]http://www.youtube.com/watch?v=as9YxgONIQI
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