By now, it's old news on the internet, but check out the cover art for the upcoming Harry Potter and the Deathly Hallows.
This first image is the wraparound cover for the U.S. version of the book:
This is the cover for the U.K. kids version of the book:
And, this is the cover for the U.K. adult version:
Looks pretty good.
Pre-order your copy at Amazon.com, Buy.com or Wal-Mart.com (only $17.87!) for very low prices!