We just added a bunch of new kochi knives to the website (though many dont have pictures yet)... 180mm and 210mm kurouchi debas, 150mm kurouchi honesuki, and 270mm kurouchi wa-sujihiki... all in V2 steel with burnt chestnut octagon handles. Check 'em out here:
http://www.japaneseknifeimports.com/kitchen-knives/kochi.html
http://www.japaneseknifeimports.com/kitchen-knives/kochi.html