Radial or daisy-chain? I never quite thought of it in those terms.
Both are completely acceptable to me.
"Radial" seems to be the preference for running pipe, and where junction boxes are very accessible.
"Daisy chain" is most often found where Romex, MC, or some other sort of cable is used.
The method chosen seems to be determined more by the overall construction style, than any 'merit' to the various methods. For example, in those places that require pipe, a receptacle is far more likely to be tied into the one a floor above it, than to another one on the same wall. This is because it's a lot easier to drill one hole in a top plate, than a hole in every stud.
