The missing iChat hologram effect has been resurrected from an early Leopard build.
While the effect isn't as stunning as what was seen at the Apple Developers Conference, it is a fun ghosting effect reminiscent of our favorite Sci-Fi movie.
Download the .qtz file, which is allegedly from an early Leopard build, install it in your /Library/Compositions folder, restart iChat and you too can begin begging for Jedi Master help over the internet.
Links:
[1] http://www.maclife.com/user/rbaldwin
[2] http://uneasysilence.com/archive/2007/10/12590/
[3] http://fileupload.ning.com/dl/?9347136
[4] http://www.maclife.com/article/living_with_leopard
[5] http://www.maclife.com/article/apple_posts_leopard_guided_tour
[6] http://www.maclife.com/article/fix_crashing_itunes_in_leopard