There is a new poll under the F.A.Q. section posted on JK Rowling.com that asks fans to choose which question she will answer next. The questions are about Percy, Wormtail and Dumbledore's Howler to Aunt Petunia.
Is Percy working undercover for any secret organization/boss?
Where has Peter Pettigrew (Wormtail) been since the end of 'Goblet of Fire'?
What did Dumbledore's Howler to Aunt Petunia mean? ('Remember my last')
Currently 55% of fans want to know about Dumbledore's Howler to Aunt Petunia. So choose wisely & to vote on her site, click on the paperclips on the main page and then About the Books and then to the piece of paper marked F.A.Q. Poll.