Pretty sure this is the cheapest so far for this particular title.
Tom Clancy's Splinter Cell: Conviction GAME Exclusive Collector's Edition contains:
An exclusive Sam Fisher statue
Tom Clancy’s Splinter Cell Conviction game in unique SteelBook case
Infiltration Mode : Eliminate all hostiles in the mission area without being detected
A special playable skin: Shadow Armor
Early access to 3 weapons: SC300, SR2 and MP5
The official Splinter Cell Conviction Soundtrack (more than 17 tracks)