Which test did you run? OCCT Ram test is usually what will fail when all else passes. And as far as your temps, I doubt it ever gets that high during gaming but I'd still try a reseat and see if you could get them lower.
Off subject: I have that exact same background right now.
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CPU: Q6600 @ 3.4GHz [425x8] 1.248v load | E8400 sitting in my Q6600's box
HSF: Zalman 9700
MB: DFI DK P35-T2RS
GPU: XFX 8800GTS (G92) 512MB @ 800/1910/1100
RAM: 2GB OCZ Reaper (PC2 6400) 850 4-4-4-12
HDD: WD 500GB 16MB
Case: Antec 900
PSU: OCZ 700W
Monitor: LG 22" L226WTQ
3DMark06 Score: 16055 (XP) with above clocks