Some time ago I have found an interesting article from "American Handgunner" magazine written by Ron Avery - the director of the Practical Shooting Academy. Author explores the Modern Isoceles stance and prooves that it is better than other stances.
"The Weaver stance is -- don't be shocked -- obsolete. none of the top competitive shooters use it and police departments no longer train with Cooper's outmoded technique. The real hot ticket now is..."