Recently released by the Congressional Research Service (CRS):

“Iran’s Nuclear Program: Status” (PDF) — Nov. 20, 2008

And since you mention it…

“Pakistan’s Nuclear Weapons: Proliferation and Security Issues” (PDF), as updated on June 20, 2008.

“Pakistan-U.S. Relations” (PDF), updated August 25, 2008

“India-U.S. Relations” (PDF), updated August 12, 2008

Also (but not from the CRS):

“Indian nuclear forces, 2008″ (PDF)
Bulletin of the Atomic Scientists
Vol. 64, No. 5, pp. 38-40
By Robert S. Norris & Hans M. Kristensen
Related blog post by co-author Kristensen

(Sources: Secrecy Blog, and FAS Strategic Security Blog. Thanks.)