In re: Guthyanki noses, did no one ever consider that they might have psionic sinuses? Being from the astral plane, it's possible that their mucus is mental thus no need for a big honker or for handkerchiefs.
Peed myself, thank you

As for rating the races, imho Drow come first. The reactions in game to them are the best.
Yass!
TIEFLING BRAT: I heard you people kidnapp kiddies like me?
[DROW] PALADIN: LIES! We slaughter many more children than we enslave!
:P