You've missed a bit!
There is a total disregard for the concept of virtualization here. By focusing on the hardware, you are missing out on the real revolution of the last few years. The splitting of processing from the hardware doing it.
I have no intention of ever buying expensive hardware again, realizing that Azure does everything I need it to. Datacentres filled with blade servers are far more efficient than a single CPU, regardless of size. they get rid of idle time, and make it possible to centralize your hardware costs. They also make auditing and compliance a lot easier - assuming your compliance people understand the concept too!
Technology steps from the past are very interesting as part of their time (remember the memory boards on 286's?) but are totally irrelevant today. Today its about some thing as a service, and I'm fine with that. I am far more interested in making sure that the application that makes money carries on working,