If there's one technology that can greatly improve computing environments of any size, it's virtualization. By using a single physical server to run many virtual servers, you can decrease operational costs and get far more bang for your buck. Whether your company is a 2-server or 2000-server shop, you can <a href="http://www.pcworld.com/businesscenter/article/187391/how_a_virtualized_server_saved_one_small_business.html">benefit from server virtualization</a> in a variety of ways. The best part? You can do it cheaply and easily.