Two more options are the Oyaide PA-22 ZX and the Zonotone 6N2P-3.5 Blue Megane cable. Both of these received accolades in the 2009 Visual Grand Prix. These are Japanese C7 cables, so they are not polarized, but they can be inserted into polarized inputs.
The Oyaide has a retail price of 12,600 yen while the Zonotone is around 22,000 yen.