White gas all the way. No question. Coleman makes a line of dual fuel's if you want to save money and you have to buy it new. Also, if the spam hits the fan, the first thing to go will be the convient propane bottles. Next white gas, gasoline, then kero.
Cost. I got a Coleman Dual Fuel 285 in a Garage Sale from an ex yuppie camper-in plastic box for 2 bucks. Got a DF stove for 5 at a flea.
Gasoline makes the generator clog and need to be replaced faster. White gas is safer to store and transport (people have been doing it for almost 100 years) as it has no octane.
Recently, I have been getting into kerosene as it is cheaper than white gas! It is a lubricant and therefore safe. I do not know if your can run a stove off of it. Frank6160 can really address any stove or lantern issues as I know him from the CCF and consider him a real Coleman Pro.