Get yourself over to FocusSToc.com some very knowledgable guys similar to on here, but a few of them will have come from the lesser focus ZetecS and titanium 1.0t ecoboost.
My 2.0 ecoboost is very good on long runs but has to be feathered round around town to get decent mpg. I think the focus 1.0 ecoboost gets a different gearbox to the fiesta due to weight and other factors, best to probably try one I'm sure if you go to one of these big car factors like car people and the like they'll have some thing with the engine your looking for.