PC Worldbench (Office)
Microsoft Office XP	Points	Ranking
DFI LANPartyUT NF590 SLI-M2R/G (NF 590 SLI 200/800 Athlon64)	583
Asus M2N32 WS Professional (NF 590 SLI 200/800 Athlon64)	585
ECS PN2 SLI2+ (NF 680i SLI 266/800 C2D E6600)	617
Asus P5N32-SLI Premium (NF 590 SLI 266/800 C2D E6600)	605
MSI 975X Platinum (975X 266/800 C2D E6600)	610
ABIT AW9D-MAX (975X 266/800 C2D E6600)	625
Gigabyte GA-965P-DQ6 (P965 266/800 C2D E6600)	618
Abit AB9 Pro (P965 266/800 C2D E6600)	628
Gigabyte GA-P35-DQ6 (P35 266/1066 C2D E6600)	634
MSI P35 Platinum (P35 266/1066 C2D E6600)	630
MSI P35 Platinum (P35 333/1066 C2D E6750)	652
Biostar TP35D3-A7 Deluxe (333/1333 C2D E6750)	647
Gigabyte GA-X38-DQ6 (X38 333/1066 C2D E6750)	653
Ahead Nero Express 6.0.0.3	Points	Ranking
DFI LANPartyUT NF590 SLI-M2R/G (NF 590 SLI 200/800 Athlon64)	603
Asus M2N32 WS Professional (NF 590 SLI 200/800 Athlon64)	610
ECS PN2 SLI2+ (NF 680i SLI 266/800 C2D E6600)	632
Asus P5N32-SLI Premium (NF 590 SLI 266/800 C2D E6600)	625
MSI 975X Platinum (975X 266/800 C2D E6600)	630
ABIT AW9D-MAX (975X 266/800 C2D E6600)	629
Gigabyte GA-965P-DQ6 (P965 266/800 C2D E6600)	625
Abit AB9 Pro (P965 266/800 C2D E6600)	623
Gigabyte GA-P35-DQ6 (P35 266/1066 C2D E6600)	642
MSI P35 Platinum (P35 266/1066 C2D E6600)	644
MSI P35 Platinum (P35 333/1066 C2D E6750)	667
Biostar TP35D3-A7 Deluxe (333/1333 C2D E6750)	653
Gigabyte GA-X38-DQ6 (X38 333/1066 C2D E6750)	672
Mozilla 1.4	Points	Ranking
DFI LANPartyUT NF590 SLI-M2R/G (NF 590 SLI 200/800 Athlon64)	407
Asus M2N32 WS Professional (NF 590 SLI 200/800 Athlon64)	400
ECS PN2 SLI2+ (NF 680i SLI 266/800 C2D E6600)	418
Asus P5N32-SLI Premium (NF 590 SLI 266/800 C2D E6600)	422
MSI 975X Platinum (975X 266/800 C2D E6600)	413
ABIT AW9D-MAX (975X 266/800 C2D E6600)	420
Gigabyte GA-965P-DQ6 (P965 266/800 C2D E6600)	415
Abit AB9 Pro (P965 266/800 C2D E6600)	420
Gigabyte GA-P35-DQ6 (P35 266/1066 C2D E6600)	425
MSI P35 Platinum (P35 266/1066 C2D E6600)	421
MSI P35 Platinum (P35 333/1066 C2D E6750)	441
Biostar TP35D3-A7 Deluxe (333/1333 C2D E6750)	438
Gigabyte GA-X38-DQ6 (X38 333/1066 C2D E6750)	444
Multitasking Mozilla and Windows Media Encoder	Points	Ranking
DFI LANPartyUT NF590 SLI-M2R/G (NF 590 SLI 200/800 Athlon64)	853
Asus M2N32 WS Professional (NF 590 SLI 200/800 Athlon64)	846
ECS PN2 SLI2+ (NF 680i SLI 266/800 C2D E6600)	983
Asus P5N32-SLI Premium (NF 590 SLI 266/800 C2D E6600)	975
MSI 975X Platinum (975X 266/800 C2D E6600)	952
ABIT AW9D-MAX (975X 266/800 C2D E6600)	960
Gigabyte GA-965P-DQ6 (P965 266/800 C2D E6600)	944
Abit AB9 Pro (P965 266/800 C2D E6600)	957
Gigabyte GA-P35-DQ6 (P35 266/1066 C2D E6600)	996
MSI P35 Platinum (P35 266/1066 C2D E6600)	995
MSI P35 Platinum (P35 333/1066 C2D E6750)	1066
Biostar TP35D3-A7 Deluxe (333/1333 C2D E6750)	1024
Gigabyte GA-X38-DQ6 (X38 333/1066 C2D E6750)	1073

The performance difference between the motherboards here is too close to call... The Gigabyte GA-X38-DQ6 does come out on top, but you wouldn't notice if you were running any of these applications.