The evolution of PC hardware is such that today's more powerful components don't run as hot or as loud as you might think. It wasn't that long ago that building a truly high-end rig required careful planning for lavish cooling solutions installed inside formidably-sized enclosures, but modern builds...
Well suited to a budget build; Built-in fan controller; Sound-dampened throughout
Struggles with high-end hardware; Can feel constrained on the inside; Cable management is tricky