I've loved every bit of Blackest Night, and we can only hope that Brighest Day will be just as awesome. They haven't announced much yet, but I'm still psyched! I'm interested to see how they incorporate the return of the flash with the end of the Blackest Night too.
And as for a Batman epic, I feel like Batman's had a pretty good run the past few years. Sure, GL got the biggest event, but Batman still had RIP/BFTC/Reborn, and Superman even has had his Brainiac/New Krypton arc (which has been awesome, IMHO). I feel like they should give another "B-rated" character their due...one of the coolest things to come from GL Reborn/Sinestro Corps/Blackest Night is that it made GL cool, relevant, and popular again (without taking the cheap way and using the token black GL, John Stewart, like JLU did). Flash has even had some love, thanks to Flash Reborn/Blackest Night/Brighest Day. So, in my opinion, it'd be cool to give another character who hasn't been in the spotlight some sort of event. But that's just me...
-Gary