sale at downpour.com on physical media

I'm told that downpour.com , which is Blackstone's e-arm, is having a half-price sale till next week on their physical media -- CDs and MP3s. They have all of my books, somewhere.

I don't see a sale page as such, but I was given this:

http://www.downpour.com/catalogsearch...

Ta, L.