We're excited about the progress we've made with Windows Vista Service Pack 1. On March 18th, Windows Vista SP1 was made available for customers who chose to manually download and install it from the Microsoft Download Center or Windows Update in English...

Today, you can now download Windows Vista SP1 via Windows Update. For those of you eager to receive the benefits of Windows Vista SP1, you can now do so. We've seen quite a bit of questions in our comments so we want to communicate as much as possible...

[Updated 6 Mar 3:01pm PST] Apparently this post has created some confusion, which was the opposite of my intent. Windows Vista SP1 is not delayed. I repeat, aside from our having accelerated SP1 availability to MSDN/TechNet subscribers and volume licensing...