For 64-bit to truly take off, you'll need a 64-bit OS, and 64-bit drivers, both of which are currently in beta.
AMD and Intel have different architectures, both of which perform better in different areas. People who perform a lot of media creation would argue that your AMD is not the fastest
This PS3 chip will probably be quite fast of course, but Intel and AMD probably aren't that worried. They both have multi-core chips on the way as well that will be super quick. Of course when you think about the processors in the current PS2, which runs at about 300MHz and still produces some great games, its scary to think of what the next gen consoles will be capable of
