Ted Mahr, author of Early's Valley Campaign - Battle of Cedar Creek: Showdown in the Shenandoah, October 1 - 30, 1864 (H.E. Howard, 1992), wrote me a note this morning to pass along here apprising us of the progress of the new revised edition. He didn't mention which outfit would publish it, but Mahr hopes for an early summer '12 release.
The first edition is widely regarded as the best history of the battle, and clearly one of the best of the Howard series, so there should be more than a little interest in the revised study. Check out the link above. More copies have emerged in the secondary market and prices have come way down.