Read this article written by an Australian Intel employee who will soon lose his job.
http://www.australianit.com.au/common/storyPage/0,3811,1417598^504,00.html
He even ends by saying: "So if you're considering buying a P4 as soon as possible, stop. If you must have a new computer, get a P-III or an Athlon, or even a Celeron or Duron. When P4s are available in substantially higher clock speeds and non-RDRAM motherboards are out, things may change. But at the moment the new CPU just isn't much faster than established alternatives, and it's awfully expensive."
Unfortunately for Intel, I totally agree with him
http://www.australianit.com.au/common/storyPage/0,3811,1417598^504,00.html
He even ends by saying: "So if you're considering buying a P4 as soon as possible, stop. If you must have a new computer, get a P-III or an Athlon, or even a Celeron or Duron. When P4s are available in substantially higher clock speeds and non-RDRAM motherboards are out, things may change. But at the moment the new CPU just isn't much faster than established alternatives, and it's awfully expensive."
Unfortunately for Intel, I totally agree with him