Way hey... You should ask Dougal about that.!
My favourite was always Cresta. If you remember it.? It was really smooth and frothy, and I used to love it. It was advertised by a cartoon style polar bear with dark glasses and the slogan, "Cresta - It's frothy man"...
http://www.youtube.com/watch?v=Zlcxwwd19Qg&feature=related