First of, I would like to mention that Kubo got married... congrats (source: http://www.animenewsnetwork.com/inte...o-gets-married)
Supposedly Bleach anime is going to return on march 22 of year 2013. That's what Kubo supposedly mentioned on his twitter (well there is a screen-shot of it, but I don't read japanse and it's hard to say how real it is ;P):
There were no other confirmations for now.
IT SEEMS THAT KUBO CONFIRMED IT TO BE FAKE :p
Here is some fanartwork for consolation (by Touya101):