Inquiring minds wanna know...
JK gave quite a bit of additional detail on the Today Show this morning on the fates of our beloved characters... A lot of the stuff she couldn't cram in at the end of the book, she is just letting everyone know in person. Don't read the article if you haven't read Deathly Hallows or have elected to omit the epilogue from your own personal canon. ;-)
Article is HERE.