The good news: we now have a name for the seventh installment.
The bad news: Next year "at the earliest." (Meaning probably 2008 or beyond.)
I think the name sounds quite interesting. It's definitely a darker title for what will have to be, by far, the darkest book/film of the series. (I mean, we know Voldemort is going down, probably dying in the process; Snape has to die a hero to help Harry defeat Voldemort and reveal Dumbledore's final master plan; and Rowling has even implied Harry himself might not survive.)