Chef Knives to Go has a custom Murray Carter 210mm petty for sale. Given the custom handle, it is a very reasonable price. You may also consider the Kanehiro 210mm gyuto, which would probably be a little more versatile.
For the Murray Cater 210mm Petty, go to http://www.chefknivestogo.com/mucayasa21.html
For the Kanehiro 210mm gyuto, go to http://www.chefknivestogo.com/kawa21.html