OCModShop has an overview article about the Xbox 360, covering the hardware, dashboard and accessories.
When I first opened my 360, I was impressed with how much weight it had, the system itself is quite beefy and reminded me of a component from a home theatre system. The accompanying power system was as impressive a power supply I have ever seen. It's close to four pounds and has its own gravitational pull, so be careful. The system itself sits nicely on its own shelf with the power supply next to it and the HD Component cables that come standard with the deluxe edition (the core edition only has standard AV cables) are long enough to fish around my other equipment and to the far side of my 47" HDTV. Using a "Psyclone" brand optic cable (the system does not come with one) I was able to connect directly into my receiver and enjoy true 5.1 surround sound.. Read on over at OCModShop.