Microsoft has finished up the first Service Pack for Windows 7 and Windows Server 2008 R2, which comes with all fixes and updates released to this day and brings two new features for Server 2008 - Dynamic Memory and RemoteFX.
While the RTM (release to manufacturing) build of SP1 is in Microsoft's possession, Windows users can't officially have it just yet, and may have to wait until around February 18 to get it via Windows Update. The first SP1 wave will support 36 languages and will be available in oth 32bit and 64bit flavors.