Apple today unveiled an all new all-in-one iMac line featuring 20- and 24-inch widescreen displays encased in professional aluminum and glass enclosures. The entire new iMac line features the latest Intel Core 2 Duo processors and a new, ultra-thin aluminum Apple Keyboard, built-in iSight video camera for video conferencing and iLife ’08. The new ultra-thin aluminum Apple Keyboard is just 0.33 inches thin at its front edge. A new optional Apple Wireless Keyboard is a compact design that, with Apple’s wireless Mighty Mouse, offers a cable-free desktop. The 20-inch iMac now starts at US$1,199, $300 less than the previous 20-inch model, and the 24-inch iMac starts at $1,799, $200 less than the previous 24-inch model.