Where are the actual benchmarks? If you look at the review, it's just a bunch of 1, 2 and 3's which represent what? Where are the actual numbers showing 7 is so good as he claims it to be?
Windows 7 may or may not be the next definitive OS, but if you're trying to use this article to back up your claims you're just a tool.
The EULA prevents anyone from releasing benchmarks from the beta. So to get around that he ranks it 1st, 2nd and 3rd.