George Lucas Dosen,t plan on making a seventh one, it was just a joke started by a guy who calls himself SuperShadow(am I allowed to mention his "name". I still hope there will be a seven tho.
i think it is the 7th is gonna be called the hidden circle, 8th the republic in crisis and 9th victory of the force. thats what i read somewhere im not that sure
It wouldnt be stupid, they have all these books and comics about the new sith era and everything, those would make great movies. For example, the Dark Nest Trilogy, it has a great storyline which is some years after ep.6 with all the original characters. They would be able to do it to, because the actors(Mark, Harrison, ect.) look they should in the movie, it would actually work out.