This is the most luxurious airplane "seat" money can buy: The Singapore Suite, on board Singapore Air's A380s. Fully isolated from the airplane, it has real bed and a three-feet-wide armchair, along with a multimedia center with integrated 23-inch TV.

Each of their A380s includes 12 of these, each costing $15,000 for a Singapore-London roundtrip. [Brunei News via Born Rich]