V3 is 100% finished, and currently available at the usual venues. *fistpump*

Keep a lookout on myspleen for a 1080p-only "V3B" of Ep2 and Ep3, the only difference being Jackpumpkinhead's source used for Mace Windu's lightsaber. But V3 proper is utterly completed.

The only thing I could foresee to cause me to re-do any of my work is either A) if they were to release the prequel deleted scenes in HD, and/or B) emanswfan releases his (final version?) regraded source material some sunny day in the future. Even then, I wouldn't plan on making any creative editing changes.