Im simply tickled that Sarah still pisses them off
It shows just how relevant she is to them.  And, how much of a threat they think she is.
I think that, deep down, they know that the Obamessiah 
is going to fail, and that Gov. Palin will be on the crest of the Conservative Revival in the US, with such conservatives as Michael Steele and Bobby Jindal right there with her.  They 
fear that.  Deep down, they 
really fear that.
It's coming.
But, first, we have to "take our medicine."