Other World Computing (OWC) today announced the addition of a 250GB drive to its popular line of Mercury Elite Pro external FireWire storage solutions. The new 250GB model operates at 7200RPM, offers 8MB of cache, measures 1.5 x 9.0 x 5.5 inches and weighs less than 3 pounds. It is available immediately for US$479. Additionally, OWC announced new lower pricing for several models in the Mercury Elite Pro product line.