Well, someone had to make one, and before we start seeing 100 threads a day about this droid, I figure its best to make this one early.
Here's what we know so far from 'Just the Facts':
• The design crew worked very hard to make the new bad guy in Ep3 visually distinctive. -RC
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• "Expect someone serious as the new villain." - RM
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• The new bad guy has a lot of screen time, a memorable role, and he is central to the plot. -RC
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• Animatics have done pre-visualization for the new bad guy and "he is one bad mother". -DG
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• The new bad guy has connections to Darth Sidious. -PH
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• The "new bad guy" is not referring to Darth Vader. It will be an original, separate villain. -PH
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• The new bad guy has some electronic alteration done to his voice. - BB
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• We will get our first look at the new villain in 2004. - PE
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• The new villain is in the vein of old-style serial villains. Someone who revels in villainry. -PH
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• The new bad guy did not appear in the original trilogy. -PH
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• You get just enough from the movies to establish the new villain's role and importance. The EU, of course, will flesh things out with George's blessing. -PH
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• The new villain has a space ship and will use it. He also has several other modes of transportation. -PH