Not a fan at all of FHs where the stringbed faces the back fence on the takeback -- at least, not the ones that I've observed. Even with an extreme grip (full Western), I've not seen an implementation that requires that much rotation (forearm pronation with, possibly, some shoulder rotation). Such extreme rotations, to my mind, appear to complicate the stroke unnecessarily. Do not see this with Rafa, who uses as pretty extreme version of the SW grip.
Perhaps one of you guys can provide an example of a consistent, outstanding FH that has the stringbed facing the back fence on the takeback. BTW, I like the simplicity of the Agassi FH. However, I would encourage a swingpath that produces more topspin that Agassi employed on his FH.