Microsoft has always been accused of following the pack rather than innovating. So it’s no surprise that early screenshots of the Windows 8 copy dialogue seem to be a direct rip-off of the KDE 4 copy dialogue, from the ‘multiple copy operations in single dialogue’ visual aspect:
to the bandwidth usage graphs:
The look may not be exactly the same, however the idea is spot on. As they say, copying is the sincerest form of flattery.