Shmup fans, take heed: Cave's upcoming DS port of their highly-lauded Japanese arcade title Ketsui: Kizuna Jigoku Tachi is set for release October 23rd, courtesy of Arika.
I'm so glad I didn't discover about this game's existence until late, 'else I would've gone mad with hype. PlayAsia, YesAsia, and NCSX are taking preorders, though only NCSX appears to be including the Master Play DVD bonus. (Or, at least they're the only ones making mention of it.)
In related news, there are rumblings of a port being developed for the 360, under the project name Ketsui: Kizuna Jigoku Tachi Extra. They're looking to make it a retail release, but things still appear to be very much up in the air: