Finally got around to edit and sort some pictures from SDCC. Here is one item that all Scout Trooper fans were looking forward to see at the eFX booth.
From first glance, the helmet looks a little elongated. According to eFX, this mold was pulled from the old original Lucasfilm archives. You be the judge.
This could be still in prototype stages. The helmet looks to be constructed of fiberglass. Hopefully the final piece will be as close as to screen buckets