Here's a situation in which I've not found myself, so I'll be happy to hear other people's suggestions.
We're heading overseas to Africa in October, and will be on a private photographic safari (amongst other things).
I shoot with a Canon EOS 5D Mark II.
I presently use only one CF card (8GB), but I have a spare 8GB card and a spare 4GB card. Neither of these gets used, and I have not been in a shooting situation which has ever required more than one 8GB card before I get back home to the laptop. Maybe once, but I cannot recall.
Xenedette is soon going to buy a Canon EOS 60D (she currently has a high-end compact). Both use SD cards. She has three 8GB cards and one old 2GB card, and like me, she never uses anything other than the 8GB card that lives in the camera.
Given I'll probably shoot a lot of frames in Africa, I intend to buy a few more CF cards.
During our safari trip (four days), we'll be going on game drives at dawn and dusk, and will be back at the lodge (with laptop access) in between, so I'll be transferring images to my laptop, and backing them up to a separate hard disk too. Tentatively, we'll have three copies of all of the raw images we shoot (assuming we don't clear the cards) and I'll have two copies of my processed images.
For my camera, I was thinking of buying three 16GB cards to use in addition to what I have. It may be the case that I never need more than one card in a day, given we'll be back at the lodge and I'll be transferring and backing up.
Does the proposed CF card addition sound sane, or would people recommend more cards, bigger cards or both?
Similarly, for Xenedette, maybe the addition of 3 x 16GB SD cards to her rig would be a good idea.
Keen to hear people's experiences and recommendations.