first they had Brian Eno composing the start-up sounds for Windows 95 (just how much money would he have made in royalties alone on that, I wonder!), and now it seems they have Eno's old friend and collaborator involved in sounds for the next version of Windows...
Robert Fripp - Behind the scenes at Windows Vista recording session
I look forward to them eventually getting Adrian Belew to make them some noises too. (trivia point: the code name of Photoshop 4 was "Big Electric Cat" after the Belew track).