This is my second cruise with Royal Caribbean (my first was on the Liberty to the western Caribbean) and I have to say it was just as much fun this time around. I had my worries. of course, because I plowed through the reviews written by other cruisers so I was a bit apprehensive about certain aspects of this trip (like disembarking from San Juan and it's crazy port, for instance). The great news for me and my friend was that it was way better than anticipated. Here's my breakdown of all the stuff and so forth:
Boarding The Ship: surprisingly easy and relatively quick, as in less than 20 minutes. This may be because we spent the night in San Juan previous to departure; took advantage of the Royal Caribbean transfer from the hotel to the ship and so on. Since our luggage went ahead, we merely got into the line on the left-hand side and went to check in with our Set Sail printouts (already signed) and passports. We were then herded onto the Adventure where we were bagged by the lurking photographers on the gangway to get out photos taken. For those of you who find getting your photo taken attack-style while you look like a windblown mess as appealing as I do, you can go down to deck 3 and find your photo(s) on the boards there, pick them out and stealthily deposit them in trash containers they keep right in the studio area. No point in tormenting others with my less than photogenic visage, you know?
Staterooms: Small but nice. Adventure (as others have noted) is an older ship but she looks pretty good for a gal her age. There may be a bit of the wear-and-tear that comes with time but it's not horribly noticeable. Decent storage for such a confined space, too. We had a balcony room on deck 9 so I really loved the fact that I could step out onto said balcony to get a breath of fresh air when needed.