Those little keychain flashlights always come in handy, whether it's for finding the USB port on the back of your machine or for breaking into your mother-in-law's house to retrieve those shell casings.

If you want a little twist to your portable lighting, here's the eGear LED Lantern keychain. It's got a battery life of 25 hours and can be set to constant or blinking mode. It's around 2" tall and runs you $9.99 plus shipping.

Tiny itty bitty powerful lantern [Think Geek via Shiny Shiny]