I think there is room for another Legion title, especially during the 50th anniversary celebration.
I would like to see a Legion World - type treatment with a self contained limited series of stories. The current creative team of Tony B. and Dennis C. would be my first choice on that. How about a Shooter "Last Legion Story?". A TMK Black Dawn mini. A Pocket Universe untold story with the creative team of Levitz/LaRocque/Mahlstadt. DnA with Copier on the return of the Progeny and Singularity. And a Legion of Substitute Heroes vacation trip to Modo (with special appearance by the Brain Globes)- story and art by Frank Miller.
There. I've done the difficult part (coming up with the great ideas), now all DC has to do is execute. Thank you.