Can't wait for BioShock 2? Neither can we. A new nine-minute gameplay trailer introduces us to the world of Rapture through the eyes of a new protagonist -- the first sentient Big Daddy. What does this mean? Among other things, it means players can finally use that awesome hand-drill weapon. It also means you can cruise the ocean floor and adopt Little Sisters, who help you harvest ADAM from Rapture's many lovely corpses.

The average Splicer poses a pretty minimal threat when you've got a metal diving bell on your head -- now the enemy you'll have to watch out for is the Big Sister. She's a lithe, fast version of the Big Daddy and has a nasty protruding spear. Ouch! Check out the video below, and then let us know what you think -- is this just the original BioShock with a few new enemies, or will it give us stunning revelations about the human condition never previously understood?