The researchers who broke this hash algorithms will be presenting the results tonight at 7pm PDT at the Crypto 2004 conference in California. The rump session is going to be streamed on the web:
http://www.mail-archive.com/cryptogr.../msg02585.html
The paper about the hash collisions has just been posted on eprint here:
http://eprint.iacr.org/2004/199.pdf