Here is what I'm assuming is the latest preview for the upcoming 2-part live-action adaptation of Hiroya Oku's GANTZ and the closest thing to a genuine trailer that's been released so far. Mercifully, this one is completely free of morning show graphics, talking head reaction boxes, and chatty announcer voices yapping over the best parts.
The films star Kazunari Ninomiya as as Kei Kurono and Kenichi Matsuyama as Masaru Kato, two college students who die in a train accident only to be brought back to life by a mysterious black sphere known as GANTZ. Equipped with advanced weaponry and special suits that give them superhuman abilities, they're forced to carry out alien assassination missions, earning "points" toward eventually buying their freedom. However, various incidents along the way complicate matters. Additional cast members include Yuriko Yoshitaka as Kurono's girlfriend Tae Kojima, Kanata Hongo as a young veteran of the GANTZ world named Joichiro Nishi, and Natsuna as a female participant named Kei Kishimoto.
Gantz: Part 1 is on schedule for a January 2011 release and will be followed up by Gantz: Part 2 sometime in the spring.
Thanks to ngewpie for the tip.