I've noticed a distinct advantage to breaking into the flatpick/two fingers style especially when playing up the neck where the pitch gets inverted. What I mean by that is that, for some reason, when I'm playing fingerstyle it doesn't bother my mind so much to be reaching down (geographically) to get a lower pitch--it's merely part of a pattern. When I reach down with a flatpick my mind can't get used to the fact that the pitch may be lower. Dan Crary plays what he calls a "cascade run" in which, at the seventh and eighth fret you climb the strings in thirds (almost) at each 3rd note you must reach to the string below to sound a lower pitch. I can not do it with a flatpick but I can breeze through it fingerstyle.

I, of course, am pathetic.

John