In my opinion, it is to big. 
I heard that it hold 5000 or so people, and it might be big for a ship, but I wouldn't like to be with that many people in that space.
I personally think QM2 is big enough.
That is my opinion though...
SA
Independence of the SeasBuilt: Aker Finnyards (Turku, Finland) 
Christened: December 21, 2006 
Maiden Voyage: May 2008 
Status: In Service 
General characteristics  Tonnage: 160,000 GT (gross tonnage) 
Draft: 28 feet (8.5 meters) 
Length: 1,112 feet (364.8 meters) 
Beam: 184 ft (60.0 meters) 
Propulsion: Diesel-electric (kW)/4 pods 
Speed: 21.6 knots (40 km/h) 
Complement: 4,370 passengers; 1,360 crew 
Decks: 15 (passenger)
3 (crew) 
Cost: $590 million 
Registry Bahamas
StateroomsAll rooms on the Independence of the Seas feature a private bathroom, multiple configuration beds, closets, a flat-screen television, 250 count bedsheets, and a telephone for shipboard use.
 InteriorInterior Stateroom 
152 square foot room features two twin beds convertible to queen size and private bathroom. 
Family Interior Stateroom 
323 square foot room features Two twin beds convertible to queen size and private bathroom sleeps up to six people. 
PromenadeStandard Promenade Stateroom 
167 square foot room features a view of the Royal Promenade with bowed windows, two twin beds convertible to queen size and private bathroom. 
Promenade Family Stateroom 
300 square foot room features Two twin beds convertible to queen size and private bathroom sleeps up to six people. 
OceanviewFamily Oceanview Stateroom 
Oceanview Stateroom 
Large Oceanview Stateroom 
BalconySuperior Oceanview 
189 square foot room includes two twin beds that are convertible to queen size, sitting area, private balcony measuring 68 square feet, and private bathroom. 
Deluxe Oceanview 
177 square foot room includes two twin beds that are convertible to queen size, sitting area, private balcony measuring 74 square feet, and private bathroom. 
 SuiteRoyal Suite 
Presidential Family Suite 
Is a room that can hold up to 14 family members 
Owner's Suite 
Royal Family Suite 
Grand Suite 
Junior Suite 
 AmenitiesIndependence of the Seas is expected to feature, like her sister ships, an interactive water park (including the FlowRider onboard wave generator for surfing), a dedicated sports pool (for volleyball and basketball), and whirlpools which extend from the ship's sides. She will also feature a coffee shop and bookstore, Sorrento's Pizzeria, and a Ben and Jerry's ice cream shop. Other amenities will be a rock climbing wall, ice skating rink, Wi-Fi capabilities throughout the ship, flat screen televisions in all staterooms, and cell phone connectivity. Independence of the Seas is also the first Royal Caribbean ship to feature heated, freshwater pools.
DestinationsFrom May 2008 Independence of the Seas will homeport from Southampton, United Kingdom. After doing some preview sailings from Oslo, Norway, Southampton, UK and Hamburg, Germany, her itineraries will alternate between Mediterranean treasures and Italian Mediterranean itineraries, both 14 nights in length. She will also do three 4-night sailings to Cork, Ireland. In the Autumn she will do three 11-night sailings to the Canary Islands. During the winter months Independence of the Seas will homeport from Fort Lauderdale, Florida