A trailer for Mass Effect 2 is online showing off the Terminus Assault Armor and the M-490 Blackstorm Heavy Weapon that are GameStop's pre-order incentives for the upcoming RPG sequel. The clip is available on ActionTrip, AtomicGamer, FileFront, and Worthplaying. Also BioWare announces the star-studded voice cast for the game, which will include President Bartlet, Scott Evil, Animal Mother/Jayne, King, Worf, Number 6, and Trinity (Martin Sheen, Seth Green, Adam Baldwin, Keith David, Michael Dorn, Tricia Helfer, and Carrie-Anne Moss). This press release has more details.