well...technically isn't an iso image file burnable onto just about any type of optical media, even blu-ray? it just is kind of a waste, burning a cd image on a dvd - for example, my ubuntu cd image i could've burned onto a dvd (i tried and it worked), but it just wastes a LOT of unused space, so if you just get about any program that is low-end enough to not care what type of iso you are burning, cant you just use any low-end optical burner though?