Where did you hear this rumor? :-/
Oh wait, i guess that's in thinkescret. Not the most trustable news source.
Other rumors of day: ThinkSecret provides more confirmation and pricing changes in the PowerMac line to make room for the Dual 1.8 GHz. According to the site, the current 1.6GHz and 1.8GHz models will drop $200 (to $1799) and $300 (to $2099) respectively, while the new Dual 1.8GHz G5 will take its place at $2499. The Dual 2.0GHz is rumored to stay at it's current price point ($2999). Well, rumors. We'll see.