Apparently, you can get the Square Enix Summer Collector Pack of games for only $49.99 if you purchase it directly through the Steam client. From the website it lists the price as $74.99. This is part of the Steam Summer Camp Sale.
Includes 50 items: Hitman 2: Silent Assassin, Hitman: Blood Money, Battlestations: Midway, Just Cause, Hitman: Codename 47, Deus Ex: Game of the Year Edition, Deus Ex: Invisible War, Thief: Deadly Shadows, Tomb Raider: Legend, Project: Snowblind, Rogue Trooper, Infernal, Tomb Raider: Anniversary, Kane and Lynch: Dead Men™, Conflict: Denied Ops, Tomb Raider: Underworld, Shellshock 2: Blood Trails, Battlestations Pacific, Just Cause 2, Yosumin!™, The Last Remnant™, Gyromancer, Kane & Lynch 2: Dog Days, Kane & Lynch 2: The Doggie Bag, Kane & Lynch 2: Alliance Weapon Pack, Kane & Lynch 2: Multiplayer Masks Pack, Mini Ninjas, Flora’s Fruit Farm, Just Cause 2: Bull’s Eye Assault Rifle, Just Cause 2: Rico’s Signature Gun DLC, Just Cause 2: Chevalier Classic, Just Cause 2: Agency Hovercraft, Just Cause 2: Monster Truck DLC, Just Cause 2: Black Market Aerial Pack DLC, Just Cause 2 – Black Market Boom Pack DLC, Lara Croft and the Guardian of Light, Lara Croft GoL: Raziel and Kain Character Pack, Lara Croft GoL: All the Trappings – Challenge Pack 1, Lara Croft GoL: Things that Go Boom – Challenge Pack 2, Lara Croft GoL: Hazardous Reunion – Challenge Pack 3, Batman: Arkham Asylum Game of the Year Edition, SEASON OF MYSTERY: The Cherry Blossom Murders, Supreme Commander 2, Supreme Commander 2: Infinite War Battle Pack, Front Mission Evolved, Front Mission Evolved: Map Pack, Front Mission Evolved: Last Stand, Front Mission Evolved: Wanzer Pack 2, Front Mission Evolved: Weapon Pack 2, Front Mission Evolved: Wanzer Pack 3
Update: Click here for a side by side comparison between the prices.