Not sure what is in 04 #9 package, but you are correct the 05 #6 package is the top package:

Package #6 -- includes driver and front passenger seat-mounted side and front and rear side curtain airbags [2]; anti-theft system and auto-dimming electrochromic rearview mirror with HomeLink® [3] universal transceiver; Smart Key System; High Intensity Discharge (HID) headlamps, integrated fog lamps and Vehicle Stability Control (VSC) [4]; JBL 3-in-1 AM/FM Cassette/6-disc in-dash CD changer, nine speakers in seven locations and FM diversity reception; and voice-activated DVD navigation system [5] with hands-free phone capability via Bluetooth® [6] technology
$5065.00

Wayne