Great news following a very busy week for SQL Server with the PASS Community Summit: The new SQL Server 2008 R2 November CTP is now available for MSDN and TechNet subscribers.This download is expected to be available as a general download in a couple of days.

Title: SQL Server 2008 R2 Enterprise Evaluation November CTP (x86, x64, ia64) - DVD (English)
Size: 4,011.88 (MB)
File Name: en_sql_server_2008_r2_enterprise_evaluation_november_ctp_x86_x64_ia64_dvd_455348.iso 
Date Posted: 11/9/2009

SQL Server 2008 R2 Nov CTP

I'm already downloading... :-)

Additional details at