EH-Net

There is a new group out there called ZERT, made up of some well known security pros. There were the first ones to write a patch for the VML exploit. I think they are definitely doing some good work and worth following. Here is a link to one of there papers that details the latest IE Zero day VML vulnerability.
http://isotf.org/zert/papers/vml-details-20060928.pdf (http://isotf.org/zert/papers/vml-details-20060928.pdf)