USA Today had this short interview with the two Mikes who are writing Supergirl, like in other interviews there was a preview of the first issue.
Either drag and drop the images into new tabs and remove the "_super" in the url, or go here to get larger version.
I have started to put my hopes into Supergirl. I want this book to be the light fluffy fun that seems to be lost in the DCnU and I'm ready to be hurt for thinking that. Oh well that art looks brilliant, I might just buy the book and Tipp-ex out the words and write my own stories.