Not that Kevin Smith isn't a respectable director, but he isn't the first person that comes to mind as ideal to take over the events between ROTS and ANH.
I don't really have anyone in mind other than Spielberg, but i'm sure he's a more than little occupied with his own projects, I wouldn't mind seeing some of the original OT production crew return, Kasdan, Kurtz, Hirsh...I don't know about Anthony Daniels, but maybe Mcdermid, Mayhew and Smits might be able to be convinced to do some episodes.
It's not very realistic, but it sure would be interesting to see the results...The funny part is a few episodes might end up being better than Episode I or II.