"Today we have more than a couple of choices in 64bit computing. It's popularity is quickly becoming mainstream. AMD has recently released it's next generation of 64bit cpu's with the introduction of the Winchester core line built on the new 90nm fabrication process. These cpu's are now made to fit in a 939 pin socket versus the 754 pin socket of previous Athlon64 cpu's which were built on a 130nm process so you will have to replace the motherboard if you want to run these cpu's if you are coming from a socket 754 setup. Today we take a look at the 300+ and 3200+ models, both socket 939."
FULL STORY @ AMDREVIEW (http://www.amdreview.com/reviews.php?rev=3000-3200-90nm)