"Up to 60% of the code in the new consumer version of Microsoft new Vista operating system is set to be rewritten as the Company "scrambles" to fix internal problems a Microsoft insider has confirmed to SHN"
Smarthouse - Platforms
Interestingly enough, if you've read the last couple of posts about Microsoft pumping $500million into a marketing blitz of their 2007 products, you'll notice that the article suggests that "Analysts estimate that Microsoft`s delays in releasing the next generation of its operating system, known as Vista, have cost it about $500 million".
Here's a hot tip - sometimes you need to make the call between spending the money on convincing the public that your products are great, and actually getting down to the task of just making them great in the first place.