Given that they're calling it now "Revised 5th Edition" a la "2nd Edition AD&D -- Revised" from 1995, I think we can safely put it in the same category as the various revisions to Basic D&D (B/X, BECMI, Rules Cyclopedia, Classic D&D), 2e AD&D Revised, v3.5 D&D, and 4e Essentials. If you want to...