Intel i7 920, 12G Ram, nVidia GeForce 660 GTX,
Minecraft version 1.6.4,
FTB Monster Modpack,
Texture Pack Used -
John Smith's Technician's Remix 32x
Done on a private server hosted by a friend, in creative mode, using block by block techniques, plus a tool called the builder's wand from the Extra Utilities mod.