This year Giorgio Armani launched a great collection, probably the best ever. Below you find some of my favorites. 
GA823 TEN
GA828 5H5
GA863 04G
GA792 URF
I like the combination of metal and acetate. It gives the shape a thin and cool look, and besides they have adjustable nose pads which often gives the frame a better fit. More metal frames to the people!
Bonocle 