Severance on 16 May 2010
this is bundled with the game along with pre installed songs from the game, along with other extras like special outfits and such.
go here
http://psp.ign.com/articles/108/1089179p1.html
it looks pretty sweet, and i am going to buy it for sure! , though i thought its was going to be THIS Walkman when they announced it.
but i guess i was going too far 
, since that would probably be more expensive than the PSP itself.
I live for the burn...and the sting of pleasure...
I live for the sword, the steel, and the gun...
- Wasteland - The Mission.
