No word on the 2010's yet. If last year was any indication, we won't hear anything until early July.
2009 Rogue Information, released July 2008:
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I am still not expecting major changes this year. Last year was just changes to standard equipment, the only 'new' feature was the automatic door locks.
The Rogue is still selling and in the current economic climate, I think Nissan will defer any major refreshing of the Rogue until the 2011 model year.