AMD processors are generally better for the most part. They consume less power, do more per clock, have 64 bit architecture, smoe are even dual core, and they're generally the same price as an intel processor. A good AMD processors is the AMD Athelon 64. Also the Athelon 64 X2 series processors, which are dual core. Go to http://www.newegg.com
and search for AMD processors. I guanrtee you you'll find what you're looking for.