A surgical end effector, comprising: an anvil movable between an open position and a closed position, wherein said anvil comprises a planar surface, wherein a plurality of forming pockets are defined in said planar surface, and wherein said plurality of forming pockets comprises: a first forming pocket comprising a first depth; and a second forming pocket comprising a second depth; and a staple cartridge, comprising: a deck, comprising: a first portion aligned with said first pocket a second portion aligned with said second pocket; and a step intermediate said first portion and said second portion; a plurality of drivers, comprising: a first driver aligned with said first pocket and movable perpendicular to the deck a first distance between an unfired position and a fired position; and a second driver aligned with said second pocket and movable perpendicular to the deck a second distance between an unfired position and a fired position; wherein said second distance is different than said first distance; and a plurality of staples, comprising: a first staple supported by said first driver, wherein said first staple is formed to a first formed height intermediate said first driver and said first pocket; and a second staple supported by said second driver, wherein said second staple is formed to a second formed height intermediate said second driver and said second pocket; characterized in that: said second depth is different than said first depth; and said first formed height is equal to said second formed height a first forming pocket comprising a first depth; and a second forming pocket comprising a second depth; and a staple cartridge, comprising: a deck, comprising: a first portion aligned with said first pocket a second portion aligned with said second pocket; and a step intermediate said first portion and said second portion; a plurality of drivers, comprising: a first driver aligned with said first pocket and movable perpendicular to the deck a first distance between an unfired position and a fired position; and a second driver aligned with said second pocket and movable perpendicular to the deck a second distance between an unfired position and a fired position; wherein said second distance is different than said first distance; and a plurality of staples, comprising: a first staple supported by said first driver, wherein said first staple is formed to a first formed height intermediate said first driver and said first pocket; and a second staple supported by said second driver, wherein said second staple is formed to a second formed height intermediate said second driver and said second pocket; characterized in that: said second depth is different than said first depth; and said first formed height is equal to said second formed height a deck, comprising: a first portion aligned with said first pocket a second portion aligned with said second pocket; and a step intermediate said first portion and said second portion; a first portion aligned with said first pocket a second portion aligned with said second pocket; and a step intermediate said first portion and said second portion; a plurality of drivers, comprising: a first driver aligned with said first pocket and movable perpendicular to the deck a first distance between an unfired position and a fired position; and a second driver aligned with said second pocket and movable perpendicular to the deck a second distance between an unfired position and a fired position; wherein said second distance is different than said first distance; and a first driver aligned with said first pocket and movable perpendicular to the deck a first distance between an unfired position and a fired position; and a second driver aligned with said second pocket and movable perpendicular to the deck a second distance between an unfired position and a fired position; wherein said second distance is different than said first distance; and a plurality of staples, comprising: a first staple supported by said first driver, wherein said first staple is formed to a first formed height intermediate said first driver and said first pocket; and a second staple supported by said second driver, wherein said second staple is formed to a second formed height intermediate said second driver and said second pocket; characterized in that: said second depth is different than said first depth; and said first formed height is equal to said second formed height a first staple supported by said first driver, wherein said first staple is formed to a first formed height intermediate said first driver and said first pocket; and a second staple supported by said second driver, wherein said second staple is formed to a second formed height intermediate said second driver and said second pocket; characterized in that: said second depth is different than said first depth; and said first formed height is equal to said second formed height said second depth is different than said first depth; and said first formed height is equal to said second formed height