Things you often forget to pack when travelling

[Guyon]

Eyeshade and earplugs to ensure undisturbed rest...

[Dunga Gin]

As long as I've got my ID, wallet and cell I'm not too worried about it.

I also do the El Diablo method of mentally going through my morning routine of getting ready for work and making sure everything I think of is packed.

[wmonfor]

Condoms
cell-phone charger
something to read

[ElaineMonster]

I often forget to charge my iPod and cell phone and/or forget to pack the chargers.