An anonymous reader writes "A large government department in Australia is putting a gun to Microsoft's head. The New South Wales education department is delaying rollout of Vista Ultimate until Microsoft lets them install the OS on all clients at one go and not individually! With 160,000 PCs you can see why their IT boss is hopping mad! Redmond doesn't seem to want to play ball though which is probably why the IT boss has spilled his guts! If only they went with Linux..."