Since it seems to come up a lot, and although Twangster's detailed blog is far superior, I thought there may be one or two who might be curious about a recent experience.  I purchased it for my 4-night Mariner of the Seas cruise to Nassau/Coco Cay.  I was a solo traveler and I had a $25 onboard credit, so the price came to $55.  Between Voom and lunch on embarkation day, I'd already gotten my value, so it was really a no-brainer purchase for me. Embarkation:  They called The Key people with