I haven't heard much review wise about the ecoboosts but they seem pretty stout. I have a 2.0 in my fusion, and had a 3.5 V6 in my SHO and both were/are great engines.
Just make sure you check the vehicle history/keep up on maintenance.
2003 Redfire & Black V6. Full suspension, 8.8 w/ 4.10s, tuned. 4.3L stroker + turbo capable of 550 hp soon
1992 5.0 Auto Hatchback...needs wiring, interior, ...basically everything
RIP: 2015 SHO PP, 12.87 @107 1/4 mile