Windows 8 (ARM) tablets to include Word, Excel, PowerPoint and OneNote as standard

[Arthur]

From Building Windows for the ARM processor architecture...

Windows on ARM (WOA) includes desktop versions of the new Microsoft Word, Excel, PowerPoint, and OneNote.
These new Office applications, codenamed “Office 15”, have been significantly architected for both touch and minimized power/resource consumption, while also being fully-featured for consumers and providing complete document compatibility.

[CyberNerd]

Looks like that's all it will include:

WOA does not support running, emulating, or porting existing x86/64 desktop apps.

Building Windows for the ARM processor architecture - Building Windows 8 - Site Home - MSDN Blogs

And you won't have any other choice

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