It's the Serpentine Sans.
Unfortunatey the Serpentine Sans (without serifs) isn't freeware. The Serpentine (with serifs) also isn't freeware but inspite of that is easy to find using serpentine.zip as search engine keyword . :)
You can see the difference here:
http://www.eyewire.com/products/type/imageclub/ic-s.html
Ute
Found it! Thanx man.
I'm searching for this font, can someone help me?