Who can do that? Really, the little guy stuck in rural Europe has no chance of doing that ... the closest to a "technologically advanced" guy where I live is somebody who knows how to work a VCR ... the minute you ask him are Core 2 Duo, or a chipset - his tiny mind will blow.
We have no choice but to suffer at the wrath of tax after tax ... if only, like DVDs, you could easily import from the US ... we might get some value.
But honestly, the price difference between US and UK at the hardware I am looking at is so tiny ... it would cost a lot more to ship it here, plus the burden of trying to send it back to the US if it broke ... it just isn't worth the tiny cost.
Lets take the Core 2 Duo E6300:
At New Egg, Core 2 Duo E6300 retail costs USD 182.00, GBP 93.
At Ebuyer, Core 2 Duo E6300 retail costs USD 215.00, GBP 111.
The price difference is £18 ... its pretty small, thats with all the UK tax and everything.
It is worth knowing, the price difference gets larger as the product price rises.
But, heck, we earn more than our American Counterparts ... its understandable that we get charged more ... unless you are buying a whole PC, I doubt there would be value in trying to get parts from the US.
I don't think you could do it easily anyway.