If you're looking for a P45 motherboard, the MSI P45 Diamond is an excellent choice. The Intel chipset (Eagle Lake) based motherboard is laced with incredible features, and is compatible with mostLGA775 processors, like the Intel Core 2 Quad, Core 2 Extreme, Core 2 Duo, Pentium Celeron Dual Core, and Celeron.
Hardcore Computer is a manufacturer of high-end custom computers. Their latest offering is the Reactor model. The system boasts the current most powerful components, including a Core 2 Extreme processor, up to 8GB of DDR3 RAM, up to three GeFoce GTX 280 GPUs, Creative Labs X-Fi audio, Wi-Fi antenna options, CMOS battery and BIOS reset switches, and much more. However, what makes this system stand out the most from other custom computer options is the fact that all the heat-producing hardware components are completely immersed in a custom dielectric fluid (Core Coolant).