2.4GHz Quad Core, or 2.66GHz Dual Core?

It depends on what software you are using. Most of the software is written for Dual core. So, I will go for better speed of the dual core.How dual core and quad core impact on various variables, see a href="http://www.codinghorror.com/blog/archives/000942.html" rel="nofollow"http://www.codinghorror.com/blog/archive…/a