The 05 will have a 18" option.
One of your links only changed the year. They forgot that they now have a LS2 motor.
IMO
++++Headlights they look like they will work unlike my 98 99 GP's
+++++++++6.0 badge oh baby
+++++exhaust
++++++++++++sport appearance package.........
check this out one link does it alll
http://www.pontiac.com/gto/gallery.jsp?brand=gto&pagename=models_prices