The Mac Show, an Internet-based live radio show focusing on all things Mac, has announced their guest lineup for tonight’s broadcast (9:00-11:00 pm ET). Tonight’s guests include Alan Oppenheimer and Charles Whitaker, authors of Internet Security for YourMacintosh; tech writer David Pogue; Tom McDonald, Apple’s product manager for Final Cut Pro 3; the usual Tech Tips and Mac Basics segments; and more. The show will also be giving Exhibit, Pro, and User Passes to Macworld Expo.