Chief Software Architect and Chairman Bill Gates has publicly described the company's goals to add support for model-driven development to Microsoft products leading up to the release of the company's "Longhorn" operating system, expected in 2005.
I am not convinced that IBM bought Rational for UML. The Three Amigos were last seen riding off into the sunset following the ascent of XP.
The IBM deal I think was driven by tools like ClearCase maybe, but more specifically for the embedded market.
Can MSFT make MDA shine? Maybe.