black and white
I've read through my Panasonic G3's manual twice now, and it seems a bit cursory. Helpful, but it doesn't seem to cover every feature the way my Canon point and shoot's manual did.
I haven't been able to figure out if there's a way to do in camera black and white photos. I sometimes like to do that with my point and shoot as a composition exercise, and I'd like to do the same thing with my G3. (yes, I know I can convert later on the computer... but making the camera show me black and white shakes up my thinking usefully, so I'd like the option it if it's available)