Following a series of regional tournaments, this weekend Sierra will name the winners of a national Empire Earth championship tournament. The winners will go on a sponsored trip to Paris, France, to compete in the world championship competition. The world champion will be awarded a prize of $20,000 and a high-end PC and will have a chance at $100,000. The general public is welcome to watch the US event, which will take place this Saturday in San Francisco, California, at Jillian's in Sony's Metreon center. More details on the competition can be found on the official Empire Earth Web site.