I don't really get why a dual-chamber design is important if the GPU and CPU end up in the same chamber. Hard drives don't take much to cool and most PSUs can handle their own cooling anyway, so separating them into their own chamber doesn't seem like much of a selling point.To me a true two-chamber design would have an installable shelf that separates the PCIe cards from the CPU cooler. Each chamber then has one intake fan each, with the CPU chamber using a rear exhaust, and the PCIe chamber using a top exhaust (or PCIe covers with grills) for venting air. Bundle a decent temperature based fan controller and you've got yourself a significant two-chamber setup. I mean, this is what many workstations do, and with good reason, a proper gaming rig would be no different.I dunno, just feels like this dual chamber thing is a marketing point and little else, as it's not like you're wasting a ton of extra energy cooling your hard-drives and PSU, and in fact you'll probably waste more energy by giving them their own, separate cooling.