Not content with earlier announcements, Sony on Thursday added another entry into its touchscreen Cyber-shots with a second high-end model. The T500 is dominated by the same 3.5-inch touchscreen interface and 10 megapixel sensor as the T700 but replaces the 4GB of internal storage with high-performance video capture; as the first Sony camera capable of recording in HD, the T500 records in widescr
