For users of ShipRush v9.x, the 2012 rates are available:

Note: New installations of ShipRush v9.0 that are performed after January 5, 2012, they will automatically get the 2011 rates.

For existing installations, please see:
http://www.zfirm.com/knowledge_bases.../srxa-0629.txt


These rates can also be used in ShipRush v8, but testing is only done on the current ShipRush version.