Looks like we can kiss goodbye to any lingering politeness in the rivalry between these two UK chip houses, because the smaller one has just embarked on a cheeky expansion. Having been known mainly for its PowerVR graphics processors, not least in many Apple products, Imagination Tech could potentially push into the CPU arena too, through its $60 million acquisition of MIPS Technologies. Just Like ARM, MIPS designs low-power RISC processors for consumer electronics, but it has generally focused on smaller chips for devices like routers and TVs rather than smartphones an