http://www.joystiq.com/2012/08/31/co...all-of-comman/
http://www.commandandconquer.com/en/blogs/blog/187
The box set includes everything!

Command & Conquer
Command & Conquer™ The Covert Operations™
Command & Conquer™ Red Alert™
Command & Conquer Red Alert™ Counterstrike™
Command & Conquer Red Alert™ The Aftermath™
Command & Conquer™ Tiberian Sun™
Command & Conquer™ Tiberian Sun™ Firestorm™
Command & Conquer Red Alert™ 2
Command & Conquer Red Alert™ Yuri's Revenge™
Command & Conquer Renegade™
Command & Conquer™ Generals
Command & Conquer™ Generals Zero Hour
Command & Conquer™ 3 Tiberium Wars™
Command & Conquer™ 3 Kane's Wrath
Command & Conquer™ Red Alert™ 3
Command & Conquer™ Red Alert™ 3 Uprising
Command & Conquer™ 4 Tiberian Twilight
Best of Command & Conquer music compilation
Exclusive commemorative art*
Early access to the next Command & Conquer experience
*Commemorative art only available with the purchase of the physical version.
Unlike Command & Conquer: The First Decade, these versions have been updated to work with Windows 7 and Vista.

Eat that, Square-Enix! That's how you do a collection! Well, except for the part about requiring Origin.