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 Product Manager for Office v. X, Eric Ryan of Microsoft’s Macintosh Business Unit; Steven Guile, Apple’s Senior Technical Writer and Multimedia Web Monkey; and Jeff Elmassian, Creative Director for EndlessNoise.com. In addition, if you’re going to Macworld Conference and Expo in San Francisco this January, you can win Pro, User and Exhibit Passes from the gang at The Mac Show and IDG World Expo. Listen in for details.