Pi
The camera work is horrid, the soundtrack is horrid, and I was the only one in the room who could follow the story, and I was too bored by it to bother explaining it to anyone else.
Spun.
This movie wants to be the Requiem for a Dream about crystal meth. The trouble is, Requiem wasn't astonishing and methamphetamines are quite possibly the grossest drug you could ever make a movie about. Also, it's more funny than anything else.
AVP
You know why, I just wanted to beat you to it.