I've noticed an art deco vibe running through some collections, Poiret has been mentioned in a few Style.com reviews and I definitly see it in subtle doses. Even Marc Jacobs squeezed in some vaguely deco details in his jewelry and cloche hats.
Marc Jacobs
http://www.***************/image/2007/Q1/020720071303365418.jpg
Proenza Schouler
Reem Acra
style.com
Marc Jacobs
http://www.***************/image/2007/Q1/020720071303365418.jpg
Proenza Schouler
Reem Acra
style.com