Badgerh,
Both NTSB emails were from the same place, with the same headers - they both originated from the NTSB. I received the same emails. Living in DC, I was paying more attention to the Metro crash update, but the second one was useful too! :-) A WSJ article this morning also references both occurrences mentioned in the NTSB press releases.
I propose any future posters who doubt the NTSB release to please call their main office,
(202) 314-6100 or contact Ted Lopatkiewicz, [email protected] - they might even provide more information, as the NTSB listserv to which I subscribe is sometimes a bit short on details.
-Chris