IDG World Expo has announced that more than 325 exhibitors will be on hand at Macworld Conference & Expo in San Francisco next week to showcase their latest hardware and software offerings. This year’s Expo boasts a number of new events, including a special panel presentation with Apple co-founder Steve Wozniak, which will explore the reasons for upgrading to OS X and the environment for those with earlier versions of the Mac OS; the MacBrainiac Challenge, a game show-style event that pits two teams of Mac luminaries against one another in a quick-witted trivia contest; and the Hands-On MacLabs, which provide hands-on computer training for Mac users on topics ranging from PDF production to Flash 5 ActionScript to wireless networks. Additionally, several companies will debut new products at the event:
