About to purchase a new 2003 escalade. Need some help in determing what options to get. I was thinking of the package with the nav,sun, xm, etc. also want to know if you all know if there any changes for 2004?

thanks,
art

New for 2004. (http://www.media.gm.com/division/2004_prodinfo/cadillac/escalade/index.html)