Too much stuff:
1. Cell phone (Nokia e90) + charger
2. Camera (even though cell phone has a camera) + charger
3. Sony eBook Reader + charger
4. Bluetooth earphone + charger
5. Archos media player (plays music, videos, etc.) + charger
6. Bose noise canceling ear phones.
7. XM radio + charger
Sometimes I take my laptop, too. There are some overlapping functions represented above. Maybe one of these days I will figure out how to take less.
Oh yeah...I also take a power strip so that I can plug in all of the chargers!