Actually some Ironman editions don't have the stitched seats - guess they ran out at the factory or something. I've seen many variations but I believe the intent was for all White VXes sold in the US to be Ironman editions. Another exception are those in white sold in Japan - there is a slight difference in the white used if I'm not mistaken (not called Victory White and with a different stock number so it probably has a different paint formula).

-- John