The difference isn't really the microphone quality at all - it's where you put them. The closer one wins in my book, because the ratio of direct to reflected sound is better and I can hear the quality of the instrument. The more distant sounding version are much too ambient for my liking. I'd have liked to have heard the 414s in closer, maybe in fig-8 mode, so you'd have room sound but clarity and detail too? Stereo field is also exaggerated by distant miking - the guitar, miked from a distance becomes more of a point source, so in terms of image information, we hear a lively room, with a guitar in the centre. As the hand positions change, with eyes closed, we can't hear it. The closer perspective of the Sony seems to have more left-right information in it. The crossed pair of 414s just out of frame at the height of his left knee, favouring the soundhole would have been nice to hear?