Expiring!  Amazon has Mass Effect 2 For Xbox 360 for $59.95 – $19.96 instant rebate + $0 shipping + $39.99!  This game improves on the first and has the following:

• Improved NPC conversation system where Commander Shepard can take matters into your own hands ¿ interrupting or using force to get the answer required.
• The second act of BioWare’s epic sci-fi RPG trilogy continues the story of Commander Shepard and humanity’s first steps onto the galactic stage.
• Integration with the original Mass Effect game allows players to import saved files and contiue play with those files in Mass Effect 2.
• Choose from 19 different weapons, including devastating heavy weapons that can end a battle in seconds.
• New location based damage system allows for targeting of key weak points, blasting off limbs, igniting enemies, or cripple and disable enemy troops.