The link below is to a post on SFOG.net by Jim Tayler the SFOG PR Manager stating that Ninja is not getting new trains and that there is a new train on the way for MindBender.
http://www.sfog.net/forums/index.php?topic=708.msg12342#msg12342
As for pics of Ninja with black supports that will have to wait until park is open on Saturday as the ride is inside the park.