Avi Bryant and Piers Cawley have some thoughts about improving method dispatch speed for the common case, based on ideas in Sun's Strongtalk and the Self language:
http://www.bofh.org.uk/articles/2006/09/13/what-we-have-here-is-an-opportunity-to-accelerate http://smallthought.com/avi/?p=16 Is this similar to (or even the same as) PIC? -- c