Prior to it's release, Lionhead has opted to hop on the bandwagon and offer pre-order bonuses, in the for of DLC, for each possible store location:

Amazon:

The emerald Gauntlets of Force, which gives you an instant and permanent upgrade for the "Force Throw" spell while performing magic on foot.

Best Buy:

The icy blue Gauntlets of Bolt, which gives you an instant and permanent upgrade for the "Bolt" spell while performing magic on foot.

Gamestop/EB:

The black Gauntlets of Wisdom, which gives you an XP boost on all foot combat.

Walmart:

The golden Gauntlets of Blade, which gives you an instant and permanent upgrade for the "Blades "spell while performing magic on foot.