Penny Arcade has announced that the 5th annual Penny Arcade Expo (PAX) will take place on August 29th, 30th and 31st of 2008 with exhibitor packets available now and attendee registration opening in January. This past August 37,000 gamers filled the Washington State Convention and Trade Center in Seattle, Wash. for the 4th annual Penny Arcade Expo (PAX) game festival.