Gundeep over at CTZ has the goods on the upcoming system from Dell that has BIOS options that will enable you to overclock the included Pentium D 840 Extreme Edition.

"Thus far, the practice of overclocking was an industry taboo that the majority of companies despised, and frankly who could blame them? Purchasing a less expensive piece of hardware and cranking the speeds up with just a few BIOS settings and meeting or exceeding the performance of a much more expensive part appears to be dreadful for business."