A gaming rig, with non OC components like i5-4690, 8gb ram, 2 hdd, one ssd, one optic drive and a msi gtx 560ti 1gb vram twinfrozr II, upgradable soon to gigabyte gtx 970 g1 need a silent and still a cooler case. What would be then the most silent and cooler case, in full load scenario, for around 100 bucks? if needed, please provide advices for extra vents.