InsideHW.com has posted an editorial about graphics cards and processors CPU vs. GPU.
Questions we ask ourselves quite often when buying a new PC are: "Should I take a cheaper processor and a slightly more expensive graphics card or vice versa?", or the legendary one, "Will this new processor choke on my graphics card" etc. Variations to these questions are without number and we would need at least a page to write them all down, but we are sure that you found yourselves in such a situation at least once.CPU vs. GPU Review