The D300 if you can afford it with a nice DX VR lens.
Assuming you are here in the states make sure that no matter what you get you get it with the US warranty and not the grey market products with international warranties - it's not worth the 50 dollars of savings.
This is one of my favorite sites for digital camera reviews:
www.dpreview.com
Also for purchases:
www.adorama.com or
www.bhphotovideo.com They are two huge stores out of NYC that have been around forever.