I just had 40 sheets done by Chrome in Georgetown last June and they said they still get lots of film to develop. Maybe it was just their PR talking, but I got the feeling they still have a pretty good amount of E6 work coming in.
As far as finding film-
I order everything one month in advance. The days of wandering into a camera store and picking up some film is over in my opinion. Now I know how the ULF photographers feel.
Bookmarks