That interesting information matze1975 , the first game was fantastic so there's a good chance it will be as good as that.
Here are some edition I have had for a while and others I just got.
Brink Steelbook Edition PS3 copy
Duke Nukem Forever Steelbook + Game ( Thanks to scourdx)
Elements of the Last Story Soundtrack (Artbook and Soundtrack Rare JAP pre-order Bonus )
Mortal Kombat Collector's Edition guide
Red Faction Armageddon - Commando and Recon Edition
Sonic Class Collection Limited Edition copy
Yakuza 4 Steelbook Edition Australia + Ichiban Box