I think you have a nice shot there, it just needs some processing work. Here is what I did with it:
I popped the image into Focus Magic and did a 4 pixel adjustment on it. That gave a better overall image. In photoshop I added a gausian blur to the face on a seperate layer. Turned down the opacity by 15%. Added a little color to the lips. Worked on the eyes. Her left eye still needs more work but this is a bit better.