Digg.com co-founder Kevin Rose, New York Times tech columnist David Pogue, and This Week in Tech’s Leo Laporte, are among the guest judges for My Dream App’s fourth round of voting today. In addition, My Dream App, which has given away over $500,000 worth of free Mac software over the past three weeks, will give away Voice Candy to each voter this round. Voice Candy is a voice recorder for Mac OS X featuring filter effects and voice reminders in an easy to use interface. To assist voters, My Dream App has assembled a panel of high-profile tech media personalities to serve as guest judges. Along with Rose, Pogue, and Laporte, the judges include Macworld editors Jim Dalrymple, Peter Cohen and Jason Snell, MacAddict editor-in-chief Rik Myslewski, and Your Mac Life host Shawn King.