Lenovo is not very well known for their consumer desktop systems. The IdeaCentre K desktops are the performance lineup for the company. With the release of the 4th generation of Intel Core i processor, the company refreshed their K series with a new model that has the same basic look as the past one but different internals. Does this new processor give the system a completely new feel or is it just a minor refresh? Find out in my review of the Lenovo IdeaCentre K450 desktop.