Originally Posted by threadbare
I wouldn't go as far as to say it looks naff, but I prefer the relaxed feel of having the tail untucked. It blends well with the softly tailored look, but perhaps not the military one.
Agreed. It also depends on the tie to an extent. If the tie is a bit short, and therefore the tail is short, I would rather tuck it in than have it hang midway down the blade. If the tail and blade are of roughly equal length when tied, then untucked it is.