Two Full Campaigns: Command the British 2nd Army to liberate the key strategic position of Caen, France. Control the German Panzer Elite to repel the Allied airborne invasion in Operation Market Garden.

Real War, Real Battlefields, Real War Enhanced: Mission Persistence, Dynamic Weather Effects, Enhanced Vehicle Tactics and more deliver a new level of realism and all new battlefield tactics.

All New Multiplayer Options: Combine Company of Heroes™: Opposing Fronts™ with the original Company of Heroes for a total of four playable armies online. Join British artillery with American armor to dominate the 3rd Reich or utilize Wehrmacht and Panzer Elite blitzkrieg tactics to annihilate the Allied invasion.

DirectX 10 Support provides the most realistic RTS experience available with enhanced lighting and incredible terrain detail.

If you have the original Company of Heroes game installed on your Windows Vista machine, please uninstall it before installing Company of Heroes: Opposing Fronts. You do not have to uninstall your saved games. To access the Company of Heroes single player campaign, please have your Company of Heroes Product Key ready.

UPDATE:
check out our coh:of review before you buy
http://www.gamedemo.com/warehouse/News_Details/Company-of-Heroes-Opposing-Force-Review-by-GameDemo-com.html