So, I've managed to complete the airbrushing on my third tank. The three I've done so far are all dedicated Devilfish. The two that still need airbrush work (and all five of them need details added by brush) are built so as I can swap bits out so they can be fielded as Devilfish, Hammerheads or Skyrays.
More Tau-related stuff:
Tau family album: