It will not run a pirated copy of MS Windows, so at least one big american company is happy with it.
Is it? Surely M$'s best hope for the chinese market is to turn a blind eye to use of pirated versions of Windows in the short term to prevent Tux getting his webbed feet under the door, then hope to legitimise sales with steep discounts once they're hooked.
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Leaving aside GNOME/KDE preferences, Evince http://www.gnome.org/projects/evince has become my .pdf viewer of choice by a long chalk