Welcome to the IBM Virtual Desktop for Smart Business with VERDE from Virtual Bridges TCO/ROI Calculator Login page. This calculator offers a 3 year Total Cost of Ownership (TCO) view of desktop management when you move from standard desktops to virtual desktops. You can also compare the TCO of alternative solutions. Our objective is to provide you with a quick and easy estimate of potential savings and does not substitute for a full TCO/ROI analysis.