Metal veterans Slipknot announced on Monday they will release a greatest hits compilation titled "Antennas to Hell" on July 24th.  A deluxe edition will also be available that will include a DVD of the band's 2009 performance at the Download Festival in Donington Park, England.  Slipknot's latest album, 2008's "All Hope Is Gone," debuted at No. 1 on the Billboard 200 albums chart as well as the Rock and Alternative charts when it was released in 2008.