Skysports.com brings you a full, comprehensive team-by-team guide to the 2009 tournament.
Wales bid to keep hold of their title
There will be everything to play for when the RBS Six Nations kicks-off on February 7.
For the players of the home unions, there is the lure of a place on the summer tour to South Africa with the British and Irish Lions, while France and Italy have more than a few points to prove.
For the countries, themselves, there is the honour of claiming the title - with Wales desperate to retain their crown and their rivals equally determined to knock them off the perch.
France will lead the challenge, while Ireland and England will be looking to develop under new coaching teams.
It could be difficult for Scotland and Italy to break into the top half of the table, however they will be out to shock their critics.
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Skysports.com's comprehensive team-by-team guide to the 2009 tournament.
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England preview
France preview
Ireland preview
Italy preview
Scotland preview
Wales preview