Thanks, I'll only ever be driving them with the PC / Audiobyte output or matbe from a phone so a more sensitive pair will be best I guess. It is also only for casual listening when it is not practicle to use the Audiobytes

HT:M80,VP150,QS8,EP500 Outside:4xM3 Office:AudioBytes, Rumpus: M60,VP150,M22 Portable:2 x Airs