If you haven't already heard, I thought I'd just place a reminder... the full February cumulative update packages are now available. Full details on the SharePoint Team blog as usual. They have also included some clear instructions on creating a slipstream source for SharePoint installs with a completely current set of binaries.
Full details here: http://blogs.msdn.com/sharepoint/archive/2009/03/09/uber-packages-of-february-cumulative-update-are-ready.aspx
Slipstream details here: http://blogs.msdn.com/sharepoint/archive/2009/01/08/how-to-create-a-sharepoint-slipstream-using-the-latest-updates.aspx