I've put 43K on mine in only 15 months, runs great. only had one issue with a bad TB, but it was fixed under warranty. Id go for an ST in a heart beat.
2012 F-150 EcoBoost 4X4 (work truck)
Focus S #1, Sedan Revolution #192, Rally Revolution #8, March 2012 SOTM
Focal Distortion, a Ford licensed club and FSC member.
Sgt, USMC (1999-2003)