You need to look into the server boards and they will be running Xeon's not i7 EEs, same architecture different name.
Here is a list of dual LGA1366 boards from newegg
http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=2010200302+1071346469&QksAutoSuggestion=&ShowDeactivatedMark=False&Configurator=&Subcategory=302&description=&Ntk=&CFG=&SpeTabStoreType=&srchInDesc=
when you ask that question, i start to doubt you will ever use or require such cpu performance for whatever it is your doing with it - put it this way, it dont double your systems performance in most aspects.
The "Hello,\n" threads never respond. It's always their first and last post and they always ask unclear questions like this. I'm starting to become suspicious.