The Premier Edition comes in a metal case and includes:

Command & Conquer: Red Alert 3
Red Alert 3 Soundtrack CD
5 bonus multiplayer/skirmish maps
The making of Command & Conquer: Red Alert 3 DVD
The Women of Command & Conquer: Red Alert 3 poster
Exclusive item for Warhammer Online: Age of Reckoning
Exclusive beta key to a future Command & Conquer game