Sega has confirmed a couple of details fans have asked on Twitter today. They made it clear that Valkyria Chronicles will run 60 frames-per-second on the PC version as well as display at 1080p and higher depending on your max monitor resolution.
They also posted that players will be able to remap the game’s controls as well as have keyboard and mouse support.
@RoboitoAM Valkyria supports 720p / 1080p, as well as higher resolutions depending on your max monitor resolution. 60FPS supported as well.
— SEGA (@SEGA) October 30, 2014