After watching this a few years back, I didn't think too much of it. I remember liking the last section, Listen, with the music that makes people go crazy. On the strength of that segment, I decided to pick up a Blu-ray on sale.
After rewatching the movie - out of order - I realized it's actually better than I gave it credit for.
There are five segments. There's actually a thread connecting all of them. I checked the other reviews here, and it doesn't seem like any of them noticed this.
The corporation that is centered on in the fourth segment has tentacles in all of the other stories. It also sets up the fifth segment.
All of the stories have something to offer. They aren't especially scary, but at the least, they are interesting. The only one that suffers is the Sight segment, which seems like an interesting idea, but the execution is a bit confusing.