In windows percents are not so high, but anyway there will be some preformance revenue.
When i asked support about plans of releasing 64bit drivers for scope - silence was the answer

Does someone know smth?
that is NOT due to a 64 bit OS, but a side effect of that type of CPU, which certainly will benefit from an appropriate 'data packaging' (as it's intended for 64 bit).On 2005-06-08 09:12, Vasfed wrote:
...some people managed achieve 20% performance boost when using full 64-bit mode (i.e. 64bit os)...
exactly, but it is only possible when os is fully 64 bitOn 2005-06-08 14:03, astroman wrote:that is NOT due to a 64 bit OS, but a side effect of that type of CPU, which certainly will benefit from an appropriate 'data packaging' (as it's intended for 64 bit).On 2005-06-08 09:12, Vasfed wrote:
...some people managed achieve 20% performance boost when using full 64-bit mode (i.e. 64bit os)...
cheers, Tom