Should I get the overclocked processer from Dell?

Well I'm getting a Alien ware Aurora R2 from Dell, and one of the choices for processors is a overclocked Intel core i7 930 quad core processor And I was wondering if it would be a good choice or not.. See it..here (http://configure.us.dell.com/dellstore/config.aspx?oc=dpcwex1&c=us&l=en&s=dhs&cs=19&model_id=alienware-aurora-alx (second to last)) just click processor and see it please answer.