To me, this is akin to asking Marvel to release Squadron Supreme. I like the Authority comics a lot, but it isn't mainstream DC by any means (well, not in the previous DC 'verse it wasn't, anyway--now Martian Manhunter will be working with Hawksmoor or something). And the characters aren't all that recognizable--even less so than the bulk of "obscure" Marvel characters Sideshow has gone after. So, I don't think we'll be seeing those anytime soon, either. Maybe a MidNighter/Apollo diorama down the road or something.