Wheels?
 

Will 2005 wheels fit my 2004? i no they are same lugs but how bout the back spacing?

I think it's ok to put 03/04 wheels on the 05+ but not vice versa. With stock size tires you're probably ok, but with anything wider they'd probably rub on the leaf's in the front of the earlier trucks. I'm not positive on this, but I think that's correct.

Yea the backspacing is different on 03/04 they will stick out further on a 05/07. I have seen 05 up trucks with the 03 wheels aftermarket and it looks like a old honda civic with spoke rims sticking out of the fenders with curb feelers.