[link|http://www.theinquirer.net/?article=18067|the Inquirer]:
THE UK Advertising Standards Authority (ASA) has upheld a series of public complaints over an advert in a magazine comparing the cost of Linux versus Microsoft Windows.

An advert it ran compared the two operating systems to each other, but Windows was running on a measly dual 900MHz Xeon configuration, while Linux was running on a z900 IBM mainframe.

The advert appeared in an IT magazine and was headed: "Weighing the cost of Linux vs Windows? Let's review the facts".

The ad contained a graph comparing the cost in US dollars between a Linux images running on two z900 mainframe CPUs and a Windows Server 2003 image running two 900MHz Intel Xeons chips.
So are Microsoft clients stupid enough to fall for this? Apparently Micosoft thinks so.