or go to ebay and search for the DVD version. They expire at a specific month, but you can roll your calendar back. Mine is the '2005-2006 Service Information' DVD January 2005 version. You can't go any older - they don't fully cover our cars. Anything newer, will only incorporate changes to text or TSBs. So find anything from jan on.
THe cost should be around $40 - it's better than the books mentioned above because it's ALL the manuals on one single disk - searchable and printable.