H/T on Secrecy News - I used to use the old FAS site quite often for research and now Global Security (John Pike took the site with him when he left FAS).
While I do not agree with their politics - they have quite good material...
Yes, very high quality at FAS. If I see Steve Aftergood's name attached to something, I always read it even though I know he's going to go overboard ;o)
Cryptome is similar but a useful online primary source document mill