The final step of delivering the bright new version of 3DS Max has been made : after having  presented it at the latest GDC, and made it available for download several days later, Autodesk is shipping 3DS Max/Design 2010 packages since yesterday.
Among the most important improvements listed on the official What's New page :

innovative modeling [...]

Unity's Tom Higgins announced it on the blog : on March 19, after a whole year of hard work, Unity 2.5 was shipped with, as the key improvement feature, support for Windows (XP and Vista) authoring.
Driven by the reality of the market, or by the need to make (another) difference among competitors, Unity finally decided [...]