My conclusion on the ClickSmart 310 is that it's a great camera when compared to a webcam of near equal cost, but simply not that good of a portable digicam solution. It's little more than a portable version of Logitech's QuickCam web cameras, the only additions being on board memory and a shutter button.
The bad thing about using RAM as storage, is the fact that it has to be constantly powered. So, say you take the batteries out when your camera has pictures stored in it, the pictures will be erased. The resolution of the pictures is absolutely unacceptable for any type of digi-cam, but decent for that of a web cam. What's more, the camera does not have memory expansion capabilities, so you'll be stuck with 2 MB of picture memory if you're using the CS310 as a portable digicam