I just bought an Edirol R-09HR, based on this review by one of my favorite guitarists, Kevin Gallagher:

I’ve been playing with the Edirol a few days and I certainly like it as a “field recorder” (I’m going to take it to a live music venue later this week and see how it goes) and also as a “sketchbook” recorder to have nearby whenever and wherever I am playing guitar. Whether it will work out as the recorder of choice for my “official” recordings remains to be seen, but some of the glowing reviews I’ve been reading suggest that it’s not out of the question.

Here’s what Kevin can do with the Edirol R-09HR: