This is simply not true. Only this morning, on another forum I frequent, a UK based one, people are reporting that whilst previously they were well down the list and expecting deliveries late 2008, they are receiving calls asking if they want to take delivery in December this year. The dealers are saying that when it comes to firming up the deposits people are dropping like flies. Apparently two reasons. It's seen as too expensive and has entered 1 year old 911 territory. And second reason, people know the DCT is on it's way next year, so they are holding back for that.
Have you read this in Autocar by any chance, or on another forum. Because this rumour is coming from the same source, which is Autocar, and they talk utter bollocks.