The 2011 edition of the New International Version has been released online today.
You can read it at BibleGateway.com:
You can watch an introductory video on the Committee on Bible Translation (CBT) website here:
This update is based on the 1984 NIV rather than the more recent TNIV. I expect it will be more popular than the TNIV. Now I just have to wait for the Bibleworks and Kindle versions.