 Complete the following phrase:  The 2008 OFC Nations Cup was the eighth edition of the OFC Nations Cup, and the first under a new format that was introduced. It took place as a series of as a home-and-away round-robin tournament on FIFA match dates in 2007 and 2008. Doubling as the qualification tournament for the 2010 FIFA World Cup, the tournament was substantially different from earlier editions: 2004 champions Australia did not compete after leaving the Oceania Football Confederation for the Asian Football Confederation, and for the first time since the 