I think you need to go back to a classic line up one in a while, and it has been quite while since they did the NTT one (I don't count titans academy...
Don't know, I think if done well it would still preferable the "Robin I write is the most perfectestest of all of them and the others have to worship...
I think I read somewhere that Chuck Dixon and Scott Beatty planed a "Jason Todd: Year One" continuing their Robin/Batgirl/Nightwing Year One series,...