I don't know how many of you have checked it out but Nine Inch Nails released a new album this week Ghosts I-IV. It's a 36 track instrumental album. Also it was released much like the Saul Williams album was, online only. Check it out:
http://ghosts.nin.com/main/homeI got the 10 dollar one and I really enjoy the music. The art that comes on the PDFs is pretty sweet too.
Also I just found out today Atmosphere released a free album, Strictly Leakage. You can check that out here:
http://www.rhymesayers.com/atmosphereI haven't listened to that one yet though.