The new Samsung ST550 camera pushes the envelope of user interface design, with a incredibly clever touch-screen interface that is finally worth using. Widely promoted in an expensive TV ad campaign, the ST550 (also know as the TL225) has an LCD screen on the front as well as the back, which is used for self-portraits. A 12 megapixel sensor and 4.6x wide-angle zoom complete the key specifications of the ST-550. Mark Goldstein finds out if the Samsung ST550 / TL225 is the ultimate Christmas gift in our in-depth expert review... Read the review »