The following information has provided to me by Reed Shaffner, Product Manager for Enterprise.
Some interesting facts
Where can you get SP1?
Patches for all products are available on Microsoft Update (recommended), Office Update and the Download Center with a few exceptions. Windows SharePoint Services and the WSS Language Packs are live on Windows Update and Microsoft Update. For those customers with low bandwidth, CDs will be available for order after January 15th for a small shipping and handling fee from a link off the Download Details page.
For additional information on each release, please see the download details page, in English, for:
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CodeJedi.NET : The following information has provided to me by Reed Shaffner, Product Manager for Enterprise