For cameras, I like the Energizer e2 Photo Lithium batteries.
They're light, last long and look cool
On the other hand, they're a bit on the expensive side even for a battery. I highly reccommend it for cameras. If you're looking for basic use, go with anything else. My dad usually uses Ikea Alkaline batteries. They're cheap, made in germany, and last about the same length. Also, they're a snazzy bright yellow all over.