Prices in the states would be much much cheaper - especially post Christmas and New Year sales. ;)
Nikon also has international warranty I believe. And as someone has mentioned, they usually replace the entire body should there be any fault with it in the states.
Have fun over there.
lol u gonna be in communic ah? =P
next door leh~ all 4 days u'll be there? haha... i will be in hall 2, for broadcast asia... and that one's not open to public. =P
lol~