http://kotaku.com/5081971/dead-space-upgrade-packs-are-scary-too
Astronaut Pack: Download the Astronaut Suit and Weapon Skin Pack, featuring an amazing Astronaut Suit and new skins for the Plasma Cutter, Pulse Rifle, and Ripper!— $3.00 / 240 MS points
Big Gun Pack: Download the Steam Punk Force Gun, the ultimate in Necromorph-killing destruction.— $1.00 / 80 MS points
Heavy Damage Pack: Download the Heavy Damage Weapon pack featuring a cool new look and massive firepower for the Plasma Cutter, Contact Beam, Pulse Rifle, and Ripper.—$3.00 / 240 MS points
Hot Rod Pack: Download the Hot Rod Weapon Skin Pack, featuring awesome flame graphics for the Flamethrower and Pulse Rifle.
— $1.00 / 80 MS points
Military Pack: Download the Military Weapon Pack for a new look and enhanced power for all 7 Dead Space weapons.— $4.00 / 320 MS points
Scorpion Pack: Download the Scorpion Pack featuring an upgraded Level 5 Suit and powered up Plasma Cutter, Line Gun, and Force Gun, all decorated in an awesome red Scorpion Skin.— $4.00 / 320 MS points
Scorpion Weapon Pack: Download the Scorpion Weapon Pack featuring a faster death-dealing Plasma Cutter, Line Gun, and Force Gun in awesome red skins.— $2.25 / 180 MS points
Speed Kills Pack: Download the Speed Kills Weapon Pack! Includes faster-firing Force Gun, Line Gun, and Plasma Cutter.— $2.25 / 180 MS points
Tank Pack: Download the Tank Pack featuring an upgraded Level 5 Suit and powered up Flamethrower, Force Gun, and Line Gun, all covered in Unitology script.— $4.00 / 320 MS points
Xbox 360®-Exclusive Packs:
Elite Weapon Skin Pack: Download the exclusive Elite Weapon Skin Pack now, available only for the Xbox 360® video game and entertainment system! Includes weapon skins in Xbox 360 colors for the Line Gun, Plasma Cutter, and Pulse Rifle. — 120 MS points
Elite Pack: Download the exclusive Elite Suit and Weapon Skin Pack now, available only for the Xbox 360! Includes an upgraded Level 5 suit, and weapon skins for the Line Gun, Plasma Cutter, and Pulse Rifle in Xbox 360 colors.— 240 MS points