I'm working on a cycles based plugin for EZskin3, and I'm going to have this shader also as an option. Until now it is not as sophisticated as Eventmobil's shader (no settings for heigth of the foam so far) because I have to recalibrate all the procedural textures, but it is starting to look good. Here is a superfly render:

-How can you improve things when you don't make mistakes?