Unfortunately Microsoft has a horrible track record with this stuff and usually f__ it up one way or another:
A brief history of failed Windows tablets

>>What makes this exciting is the possibility of having a real portable device that is also a work device. iDevices have been spectacular in all other regards. I am really looking forward to buy this for that reason: I want something sleek/portable (in that sense, comparable to an iPad) that I can actually use for work (in that sense, comparable to a laptop).
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>I agree. I think Microsoft has the chance to leap into the corporate market with both feet with this.
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>Microsoft also has the ability to leap into the corporate market with Window Phone 8 by making it more IT friendly..
>http://www.cnn.com/2012/06/20/tech/mobile/windows-phone-8-microsoft/index.html?hpt=hp_bn5