The review spelt it out in Black and white there was nothing wrong with the Performance ,it was the amount of cheap cost cutting materials Used in the construction.
A better option would be to buy a Basic computer(Tower) with no peripherals Pre installed with Vista. Dell Do this but there are Many other Places that do it for less.
You use what you have now If you have a Desktop System And If you have to add anything Check out www.maplins.co.uk (where there are decent Items at sensible prices) and you won't have to pay the total price of the Computer you reviewed
TIP Go for an AMD Processor that is suitable for an "AM2+"Motherboard (and there are a Big choice ) Reliability /Longevity and Speeds are Very Good