The new ".nu" extension is commonly used in Scandinavian countries (as 'nu' means 'now') for websites that cover new/trendy products. It is is also sometimes used for "Nordic Union".
The .NU extension is open to all, and can be registered for a minimum of 2 years. Its particularities and details may be seen here:
And .nu the price can be found here:
The next available TLD should be .IT (Italia!) currently in testing phase.