JPEG2000: the Killer Image File Format for Lossless Storage: I’d seen this format floating around, but didn’t know anything about it. This article looks promising for you digital camera buffs.
Though JPEG2000 is a new format that is not yet widely supported by image-editing and web-browsing applications, it can already be of major benefit to photographers who learn to incorporate it into their workflow routines.
(After trying to figure out what the highly technical term “lossless” meant, I discovered that it means…without…loss. I think too hard sometimes.)