I sell stuffs for a living and a computer is more of a necessity rather than a luxury. I mean I'm not much into games or graphics because I only use my computer to do reports, communications, quotations and all that stuff.
But what I do admire in Macs (aside from it's claim that it is "virus-free") is that it does have good apps to choose and use. One particular apps that I just recently used is the iWeb. Imagine, having to create your own website, with a professional look without having to acquire the services of a website developer.
This is an example of a website I've done in just an hour or so:-
So if you have a business, and planning to purchase a new PC, then maybe you may want to consider looking for a PC that has/or can download business-friendly apps easily available in just a click of a mouse. Each time you buy, consider it as an investment.