There are plenty of older non-VR lenses that will work with your D80 that should be within your price range. Ken Rockwell's site is pretty cool for Nikkor lens "window shopping"
With my D100 body, I use a Nikkor 28-70mm f/2.8 ED AF-S which I think has been discontinued. It's a heavy lens, and I paid about $1000 two years ago, with an older Nikkor 80-200 f/4 manual focus zoom.
Check out this lens, it made the top ten best list on Rockwell's site:
http://www.kenrockwell.com/nikon/28200g.htm
Under $300 at Adorama, used.
There's a good compatibility guide there, as well. Have fun!
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