ILM members will be presenting 4 sketches at SIGGRAPH 2006 covering such projects as Poseidon and Pirates of the Caribbean: Dead Man's Chest. Other studios presenting sketches include Pixar, Digital Domain, MPC, Blue Sky Studios, PDI/DreamWorks Animation, Weta Digital and Rhythm and Hues.
You can check the ILM related sketches here:
You can check the other VFX related sketches, which cover projects like Cars, King Kong, Over the Hedge, Ice Age: The Meltdown and Flushed Away, here:
The complete list of SIGGRPH Sketches can be found here:
Ron Fedkiw has also posted on his site the two SIGGRAPH 2006 papers he coauthored: