Misinformed, awful article.
Now I am not a Vista fan by a long chalk. I bought it, tried it, hated it and binned it. I am back on XP.
I personally believe you set out in the article to discredit Vista. Unfortunately for you all you have achieved is discrediting yourself by your lack of knowledge and finger pointing.
I would expect the CPU to be active on boot up, did you really expect it to be idling?
Vista uses more RAM due to prefetch so your applications load faster. What is the point in installing more RAM only for it lay constantly empty?
UAC mimics both OSX and Linux. If it is too taxing for to click of couple of boxes when your installing programs then you really shouldn't be writing - I cannot imagine how stressful it must be for you to actually use your keyboard.
And you know absolutely nothing about security. MAC filtering does nothing to prevent someone accessing your network.
You also complain about turning on SSID being a security risk when it is not. Perhaps it is time you stopping listening to other people with as limited knowledge as yourself spreading the same type of FUD as you are. You really need to do more homework next time.
I don't like Vista, but at least have some integrity and provide some real evidence why you don't like Vista or why Vista is rubbish rather than your own ineptness and inexperience with the issues your having. Ask an expert to help you, rather than pretend you are one.