|Browser/arch||V8 (higher is better)||SunSpider (lower is better)|
|Firefox i686 PAE||402||1002.6ms|
There are going to be a lot more 64-bit Windows users in the future, I suspect. A lot of people I know who are getting Windows 7 seem to be opting for the 64-bit version. Unlike Vista, driver support for it seems fairly decent. I imagine a 64-bit JIT is on it’s way, tho.