Yes, some col legno that wasn't IO's full strings would be nice.
I also forgot to mention that I wouldn't mind seeing the viol family added, including the viola d'amore. The Renaissance Consort in World Instruments is all very nice, but they didn't actually use fiddles in that. And possibly also a theorbo, and a decent lute. Essentially, an 'original instruments' pack. (I mean seriously, if we can have an alphorn, we ought to have a lute.)