ExtremeTech has published an article about building a bang for the buck Core i7 computer. Originally, their plan was to make a system that would cost around $1,200 but it turned out to be a system that costs around $1,500, if you already have the operating system and the necessary peripherals. You can check it out over here, the article also includes benchmarks.
This isn't the sub-$800 build, it's the Bang for the Buck, and we look at every part and scour the industry for the best performance we can get for the price. Our system is built from a set of components, each individually offering the best bang for the buck. A $1200 Core i7 would have been mostly a budget system with a high performance CPU—clearly not fitting our definition of Bang for the Buck..