Funny quote :

“The copies available for download are not final code and users should avoid unauthorized copies which could be incomplete or tampered. This unauthorized download relies on the use of pre-RTM [release-to-manufacture] activation keys that will be blocked using Microsoft’s Software Protection Platform. Consequently, these downloads will be of limited value,” the statement said.

Are they suggesting that users wait for the complete version before downloading illegal copies?

Probably not, but a small chuckle nonetheless.

“Microsoft is happy that customers are eager to begin using Windows Vista,” the company said.