For all the guys (and girls) who will be fighting for the Empire and who wanted to visit Coruscant – we have bad news for you.
Stephen Reid just said: Coruscant will be for Republic only. So will be Dromund for the Empire.
Georg Zoeller confirmed that you will be able to respecc within your advanced class. If you can change your AC is not sure yet. It isn’t going to be able to change your class at all.