For more than a decade tech-savvy users on a budget would commonly buy a sub-$100 CPU and achieve performance comparable to $200-$300 chips by overclocking. These days Intel locks down its lower end parts, but to mark the 20th anniversary of its Pentium brand, they've released a fully unlocked dual-core Pentium G3258 for $72 -- just what the overclocking community has been waiting for. We'll put it through its paces in a couple of builds of our own.