I scanned the first couple of pages given me by the forum's search engine, but all that I found didn't answer my question. I have an Athlon 64 939 3200+ unit which I bought with little research until after the fact. Now, when reading the posts on some of the forums, they keep referring to the Venice, Newcastle, San Diego, etc. versions of this CPU. I have yet to learn what significance there is to these, and the CPUID downloads didn't help either. Can someone enlighten me?