Here are my first suggestions (for which I can take no credit):

The boys from Apple went for a jog with the neighbours from Nike.
http://www.apple.com/ipod/nike/gear.html

Ecodesign website for industrial designers
www.informationinspiration.org.uk

Ecodesign bloggers with plenty to say
www.treehugger.com
An experimental hotel in Copenhagen where Illustrators have been let loose
http://www.hotelfox.dk/home.html
A japanese guide to London...just beautiful interface and sound.
http://www.yutakaloveslondon.com/
Design news type stuff
http://en.red-dot.org/71.html