[Kal-EL]

The quick test system:
EVGA E762 + Intel Xeon 3570 @ 4.15ghz
GTX Classified 285 (Single)
single stick of 2gb ram

And here is some hard data:
xp_Pro_32_kn Results:
wprime:
1st- 8.468sec
2nd- 6.937sec
3rd- 6.843sec
4th- 6.843sec
5th- 6.765sec
6th- 6.765sec
7th- 6.765sec
8th- 6.765sec
9th- 6.734sec
10th-6.734sec
______________________________________________
xs_os Results:
wprime 32m:
1st- 7.756sec
2nd- 7.593sec
3rd- 7.593sec
4th- 7.515sec
5th- 7.515sec
6th- same
7th- same
8th- same
9th- same
10th- same
________________________________________
3Dxp Results:
wprime32m:
1st- 8.125sec
2nd- 6.859sec
3rd- 6.812sec
4th- same
5th- same
6th- same
7th- 6.781sec
8th- same
9th- same
10th-same
________________________________________
XP x64 results:
wprime32m:
1st- 6.906sec
2nd- 6.766sec
3rd- 6.75sec
4th- 6.718
5th- same
6th- same
7th- same
8th- same
9th- same
10th-same
__________________________________________________ ________
Server2003_datacenter_r2 x86:
wprime32m:
1st-6.64sec
2nd-6.625sec
3rd-6.594sec
4th-same
5th-6.562sec
6th-same
7th-same
8th-same
9th-same
10-same
____________________________________________
Server2003_datacenter_r2_x64:
wprime32m:
1st-6.734sec
2nd-6.718sec
3rd-same
4th-6.687sec
5th-same
6th-same
7th-same
8th-same
9th-same
10th-same
____________________________________
VistaUltimatex86:
wprime32m:
1st- 6.052sec
2nd- same
3rd- same
4th- 5.992sec
5th- same
6th- same
7th- same
8th- same
9th- same
10th-same
______________________________________
VistaUltimatex64:
1st- 6.224sec
2nd- 6.053sec
3rd- same
4th- same
5th- same
6th- same
7th- same
8th- same
9th- same
10th-same
______________________________________________
Server2008R2_Datacenter_Enterprisex86:
wprime32m:
1st- 6.006sec
2nd- 5.958sec Speed King
3rd- same
4th- same
5th- same
6th- same
7th- same
8th- same
9th- same
10th-same
___________________________________________
Windows 7 Starter x86:
Wprime32m:
1st- 6.155sec
2nd- 6.115sec
3rd- same
4th- same
5th- same
6th- same
7th- same
8th- same
9th- same
10th-same