Software Used:

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.