Microsoft announced at TechEd in Barcelona, Spain that the SQL Server 2008 November CTP would be made available this month. Read more here.
—> Update…
Microsoft has just posted the URL to download the new CTP. http://www.microsoft.com/downloads/details.aspx?FamilyId=3BF4C5CA-B905-4EBC-8901-1D4C1D1DA884&displaylang=en