6 is firmly in line with what I've done with this lot in the past for a medium roast. It was a toss up between this and 5 for that, and 6 was just generally a nicer roast. Better body and balance, more interesting flavor. Coffees in this range had a very nice caramel fragrance straight out of the roaster.
3 is what I'd do if I were looking for a light roast, though it's only just barely fitting my definition of that, roasted to a point just a tiny bit before the start of 2nd crack. Sweet, has a very subtle lemon flavor that a lot of people would fail to notice. I'm not going to do a production test batch of this one because I don't have the shelf space to add it and if I did try selling all four, this is the one that my customers would buy the least.