This Circle of Hell thing has been going around on the blog circuit so I thought I'd give it a shot. Had I had more time to think, I'm sure I could have thought of more creative annoyances...
The New York Yankees, The Atlanta Braves
Circle I Limbo
PETA Members
Circle II Whirling in a Dark & Stormy Wind
Bill Gates
Circle III Mud, Rain, Cold, Hail & Snow
Parents who bring squalling brats to any-rated movies
Circle IV Rolling Weights
Religious zealots
Circle V Stuck in Mud, Mangled
River Styx
Parents who bring squalling brats to R-rated movies
Circle VI Buried for Eternity
River Phlegyas
Uday Hussein, Militant Vegans
Circle VII Burning Sands
George Bush
Circle IIX Immersed in Excrement
Osama bin Laden
Circle IX Frozen in Ice