This is the group of Sisters that left the Episcopal Church along with their priest chaplain. The web site has now been updated to note they are a Roman Catholic Religious Community. They wear traditional habits and it appears they got to keep their convent.
Here is a photo essay done by the Baltimore Sun while they were still Episcopal. Notice the very traditional clothing of the Priest (who I assume is the Chaplain that also left for the Catholic Church).
Has sound so turn up speakers.