Dr. Dre's newest protege "Bishop Lamont", has announced a single for Dr. Dre's long awaited album to be released this November, and that the album may be released in December. So far all Dr. Dre's solo albums have been released during the end of the year (The Chronic - 15 December, 2001 - 15 November), so its likely it could come out.
check the video here.