lol, they claim it to be the equiv of DVD Studio Pro DVDVirtuoso 2.5 has a 16:9 menu bug (fixed in 2.8), and doesnt support motion menus, multiple angles, greater than 2 audio streams and only 1 VTS. oh, and a quick update to the specs posted in that auction: v2.5 does support more than 2ch AC3, i have personally used it with a 5.1 ac3. if only it was v2.8.... Enf...