If you're worried about the cost per day of downtime, you should certainly consider investing in Enterprise.

>In any case, the idea that you should have to jump through all the hoops involved in running Windows Enterprise just to maintain a reasonable degree of control over your own computers is patently absurd, and like many others, I and my businesses will treat it with the contempt it deserves.

Well, I certainly hope you've got a very competent security team to assess and control the risks caused by avoiding updates.