Whether or not there is a consumer tablet market at all, beyond the iPad, is still up for debate but in enterprise Microsoft is still a powerhouse. With the decline of RIM and the inability of Android to gain any serious traction I have long been an advocate of the rise of Windows in the mobile space. However, they do seem to be leaving it a little late.
iPad for enterprise is a call which is being raised with increased vigour and so the question needs to be asked; is apple about to take over the enterprise space?
This is an interesting short article on the wait for the Windows.