I only just came accross Tisci's ss2011 women's prêt-à-porter for Givenchy and I have to say it was exactly what, right now, I expect from a collection.
BLACK! That's the answer, I really like black&grey based designs at the moment.
And Riccardo captures that gothic darkness without any of the clumpiness and heaviness usually associated with goths. And he presents it all so beautifully with a hint of punk glamour.
Black is perfect: it focuses the attention on light, on the material, on the cut, makes the silhouette more distinctive, no coulour clashes, ...