More to explore:
Index Plus | Chopping board set from Joseph Joseph
Great cutting board
Index-style cutting boards.
An All-in-One Over-the-Sink Cutting Board
Index Plus $80. Chopping board set with coordinating knives
$16.00 Rinse Dual Function Chopping Board
Cutting board with bin to catch scraps - stores flat.
Index Chopping Board by Joseph Joseph, which, I must say, is quite brilliant.