what's the difference between a stacked single coil design and a two-blade side by side design? i've been wondering this for a while. here is where that question's coming from: I was playing with my strat thru some distortion and overdrive pedals. of course it's hum cancelling only in #2 and #4 positions. and when I switch it to bridge only or neck only, besides the humming noise the tone is actually not very good. it has a scratchy feeling to the tone. so I started wondering when you use a good stacked single coil and play it thru some distortion does it sound like #2 and 4 with the smoothness or more edgy but without the noise. I do know that two-blade pickups are quiet and full because two coils are in series. could somebody comment on the tones of the up and coming stack plus with distortion?