Upset at the bare bones DVD release his last movie The Fountain received, director Darren Aronofsky has taken matters into his own hands and released a full commentary track on his website that you can sync up to your own copy of the movie (or just listen to it without the movie as I'm doing RIGHT. THIS. MOMENT.) He promises not to answer any nagging questions you might have about the difficult story, and also not to bitch too much about the painful filmmaking process. But he does anyway.
Check it out at darrenaronofsky.com.