So, just watched the extended edition. It isn't a completely different movie, like the Daredevil directors cut, but it does improve The Wolverine substantially even with only 12 minutes of additional footage, an extended ninja fight (with clever and then somewhat cheesy/cool use of a snow melter), added blood, & a couple more F bombs.
Its pretty much the closest we're ever going to get to an R rated Wolverine & I definitely liked it more than the vanilla version. Plot makes a bit more sense too.
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"The Rich are there to take all of the money & pay none of the taxes, the middle class is there to do all the work and pay all the taxes, and the poor are there to scare the crap out of the middle class." -George Carlin