Anthropologie
Interesting “walkthrough” metaphor at Anthropologie. You navigate through a room where everything’s for sale.

walkthrough

Threadless
Threadless adds some personality to the typically boring shopping-cart pattern.

cart 1
Sad cart.

cart 2
Happy cart.

Gawker
The Gawker network of sites moves to threaded comments (threads open with a click).

gawker
Closed.

gawker
Open.