Now a little blur and it looks awsome smile
I am curious on what technique you are using. I am trying around with some depthbased and also with some normal based stuff, but I am not happy with both of them... Not even with their combination wink.

Lite-C Tut. 1 Lite-C Tut. 2 Lite-C Tut. 3 (en)
Shader Tutorial (ger)

http://www.slindev.com