does anybody know of a motherboard that has 2 am2 slots that will take amd athlon 64 x2 processor.
If there is one could you please post link

Dual CPU motherboards are generally Server boards.

A few here:

http://www.directron.com/dual.html

As this article points out Dual Core is more efficient than Dual CPU for a PC user:

http://www.pugetsystems.com/articles.php?id=23