It appears that you've mentioned a blog post by Microsoft about the Service Pack 1 (SP1) release. Unfortunately, the link you provided seems to be invalid. However, based on the information you've shared, it seems that Microsoft has clarified that SP1 will not be officially released to the public until March. This announcement also solidifies that the RTM (Release to Manufacturing) version is indeed the final version, dispelling any rumors about the release of another build.
If you have any specific questions or would like further information on SP1 or Windows updates, feel free to ask!