Anet just changed their minds on the WvWvW ranking reset that was supposed to happen tomorrow. Here is the official thread were they changed their minds.
Personally I'm glad for this. I think things need to balance a little more and new math to keep people balanced would be good, but things aren't so bad a full reset was needed. Some servers are winning by a lot, but most are pretty evenly matched I think.
Now if only they'll change their minds on delaying WvW update