Fancy hardware almost always requires a fancy case, most enthusiasts would agree. You want your box to smoke the competetion and have style while it does it. Fancy cases often come at a price, and one of the pricier types are full aluminum chassis. There are several out there, with Coolermaster and Lian Li being the most common ones seen. This latest release from Lian Li, the PC-VI200, has it all. The majority of cases on the shelf are going to be composed of thin steel, or sometimes that very flimsy SGCC stuff you see in the bottom of the barrel. Not this beast, though. It is solid from top to bottom. One might ask what the use of a solid metal case would be, especially with a metal pricier than steel. There are various reasons why having a solid aluminum case would come in handy, and the article shells out a few of them right off the bat:
"though aluminum enclosures are usually more expensive than their steel brethren they do have certain advantages. These advantages usually have to do with looks, weight, and the frills that go along with more expensives cases."
There are other factors at play, too, such as damage resistance and heat transfer. With components getting hotter and hotter and more of them being crammed into a smaller area (think SLI and dual core), heat and heat transfer is always an issue. Aluminum conducts heat very well, and is the most common component found in heatsinks (followed up by the much heavier and much more expensive copper). The article details things such as these as well as demonstrates the viability and reason behind having the motherboard actually mounted upside down! A great read and very thourough. Check it out!