bohlke
PBITAWA
Well autofocus is nice but for macro shots you may want to manual focus anyway. I have the tamron 90mm macro on my D40 and it works great, however it would be nice to get it to autofocus. I am sure there are other nice upgrades on the d80. If you look in the middle of this page you can see the autofocus info:
http://www.dpreview.com/reviews/nikond60/
http://www.dpreview.com/reviews/nikond60/