Cameras Are Small, Quality Is Big.

If you're an electronics fan, you have plenty to be grateful for at this year's Thanksgiving dinner: The dawn of easy-to-use touch-screen gadgets. A sensible C.E.O. at Hewlett-Packard. Angry Birds. And if you're a camera buff, you can give thanks for the arrival of three of the best cameras ever made: the Sony NEX-7, the Samsung NX200 and the Canon S100. [ABSTRACT FROM AUTHOR]