Also, their next album may be produced by Rick Rubin (being that he's the head of American Recordings). A quick look at Rick Rubin's Wikipedia page details his upcoming projects:
# FutureSex/LoveSounds - Justin Timberlake (2006)
# Untitled - Linkin Park (2006)
# Untitled - Metallica (2007)
# Untitled - Kid Rock (2006/2007)
# Untitled - The Faint (2006/2007)
One of these does not belong...