Sony today introduced the new X Series line of flat-panel displays at PCWorld, which consist of 15-, 17-, 18-, and 20-inch models. Unique to the X Series is an attractive, innovative design that includes stereo speakers and digital and analog connectivity. All models are available in black or two-toned grey, except for the 20-inch model, which is available in black or silver. The 15-inch X52 and 18-inch X82 will ship in June for about US$550 and $1,100, respectively. The 17-inch X72 will ship in August for about $900, while the 20-inch X202 will ship in September for about $2,000. Additional details can be found in the press release or at Sony’s site, although the latter is currently unavailable.