Mass Effect

Windows

Controller

Widescreen Setup:

For Mass Effect, since the derivatives of 1920x1080 were not supported by the game engine, I also had to go into NVIDIA's control panel, configure surround and manually add the desired resolution.

C:\users\will\Documents\BioWare\Mass Effect\Config\BIOEngine.ini
  StartupResolutionX=3961
  StartupResolutionY=800

Flawless Widescreen:
  FOV -2.4