I say the D90 rocks. The D80 is also a good choice if just starting out and you can pick them up very cheap.
Although, if going for the gusto I say the D7000! Mmmmmm
http://www.dpreview.com/reviews/nikond7000/
Although, if going for the gusto I say the D7000! Mmmmmm
http://www.dpreview.com/reviews/nikond7000/