Adobe Photoshop Elements 9: $40 at Amazon (today only)
You can get Adobe Photoshop Elements 9 in a box for Windows or Mac for $40 after a stinky $20 mail-in rebate, or you can get it as a direct download for $40 after a stinky $20 mail-in rebate, but the downloadable version is Windows-only.
The deal is good today only.