The Tesla TDR will be officially released at the end of March, during the Tesla Colloquium . An ongoing study of Linear Collider physics has been in progress at Fermilab. Slides are available on the web. The 2nd International Workshop on High Energy Photon Colliders was held at Fermilab from March 14-17, 2001. Topics included the current status of Higgs physics studies, as well as discussion of a Higgs factory scenario.
Slides are available on the workshop website.
The Tesla TDR will contain information on the gamma-gamma option.