Apples and Oranges. Windows NT. is like comparing apples and oranges. Consider the Intangibles There are also some less tangible costs associated with owning and operating a system which need to be considered. The cost of downtime. It would probably cost Federal Express about a million dollars a minute if their computer system went down.
Recent surveys indicate that times have changed.
Ask yourself what happens when you can't access your e-mail. At least one independent study7 asserts that the cost of downtime is higher for Domino than for Microsoft Exchange because Domino is used for more mission-critical applications. These Notes users clearly understand that system cost is only one piece if the puzzle. To get around this, customers often install multiple PC systems, increasing the workload of systems administrators. The Quality of Life factor.