Tell me why I should or should not switch to fuel injection!!!!!!!!!!!!!!

For me it would depend on the intended use for the car. If it is an everyday driver that is gonna be used for long trips and used in all weather conditions, interstate driving, conjested traffic, etc I would say EFI. If it's a car you plan on cruising on nice summer days and lazy Sundays putting 500 miles a year on or a car you put in car shows id stick to carb!