You would not only be increasing room size, but would also be upgrading to concierge as well.
Here's a link about the concierge extras.
http://www.disboards.com/showthread.php?t=2405852
This info is from the FAQ section about room descriptions.
These comfortable staterooms can sleep up to 5 and offer 614 square feet of living space.
As you enter these suites, you will find a full bathroom with walk-in shower, toilet and single sink vanity. The gold-veined white marble vanity and white mosaic floors contrast nicely with the dark teak accents. On the other side of the entranceway is a good-sized closet and storage area.
A small dining area includes a table with 3 chairs and a lovely credenza with fresh flowers to add that homey touch. For entertaining, a wet bar with a small refrigerator is available.
The seating in the living room offers a cozy area in which to chat, relax or watch the 26 television. A VCR and CD player complete the entertainment center and CDs and videos are available from your concierge. In the corner display case with knick-knacks, you will find a cabinet underneath that contains board games. The convertible sofa sleeps 2 and is flanked by 2 matching chairs, end tables with lamps and a coffee table in front. Note that if this is a suite with a pull down bed, you may find it here in the living room or in the bedroom.
Sliding frosted glass doors etched with a delicate deco design lead to a spacious bedroom. A curtain can be pulled across for additional privacy. The comfortable queen sized bed has nightstands and lamps on either side. In the walk-in closet, youll find lots of storage space with a dresser, room key operated safe, hair dryer and 2 Mickey bathrobes for your use while aboard ship. There is a dressing table for your beauty needs. Relax and sit in the chair and ottoman and watch the 13 television.
A bathroom off the bedroom includes a double vanity of white with gold marble with designer label toiletries. A tub and toilet complete the fixtures found here. A door leads to the other bathroom area.
A breathless view awaits you from the balcony that has a chaise lounge, chair and 2 small tables. Accessible from the bedroom and living room, there is lots of room to enjoy the splendors of the sea.