writes "Hardware-Unlimited has posted new information from Intel that they will be delaying the shipment of the new Pentium 4 3Ghz with an 800Mhz FSB. An Intel spokesman contacted Hardware-Unlimited early this morning to let the publication know that performance "anomolies" have been discovered, at the last minute, in validation testing and the processor will be temporarily delayed for shipment. Full details on Hardware-Unlimited.com Forums..."
ninenet points to this PC Magazine article
which explains the things that characterize the new chip and also mentions the delay.