The spec of the reviewed machine is (cut from the PCA review)
"Mesh’s Evolution 2600K PCA has the best specification of all the PCs on test, with an Intel Core i7-2600K processor and nVidia GeForce GTX 580 graphics card. There’s 8GB of DDR3 RAM, a 2TB hard disk and a 64GB Crucial SSD. Its very fast 184-point WorldBench 6 score came as no surprise.
The spec of the amazon, Or the nearest one the MESH website is different;
principally a GTX570 no SSD hard drive and an LE Mobo?