I booked over the net with Vacations To Go for our March cruise with RCI and just booked with them again for a Mediterranean cruise in May. (Coincidentally the same ship - Voyager of the Seas)
We only got e-documents which I printed out, signed and they got us on the ship in about 5 minutes.
You don't get baggage tags so you can get them from the porters or what we did was print out the sample tag that comes in the e-document and put it inside a clear plastic luggage tag.
February 1998 - HAL Westerdam E. Caribbean
January 2000 - Carnival Ecstasy - Mexican Riviera
February 2002 - Costa Atlantica - W. Caribbean
February 2004 - Grand Princess - W. Caribbean
March 2007 - RCI Voyager of the Seas - E. Caribbean
May 2007 - RCI Voyager of the Seas - Western Mediterranean (Mrs. E. & daughter only - I had a medical emergency)
October 2007 - RCI Adventure of the Seas - Southern Caribbean