Personally I don't plan on much FPS myself; but I don't mind dropping of a squad of Marines in my Retaliator though. ^_^

Indeed, some folks who may not be keen on the flying around part would definitely take part in Star Citizen as FPS Marines or support (Turret Gunners).

Taxman

"Any group is weaker than a man alone unless they are perfectly trained to work together."
- Robert A. Heinlein, Starship Troopers