I have an e8400, asus p5e, 2x1 gig 6400 800 mhz crucial ballistix kit. I am running 445x9 cpu, 1069 mhz on ram at 5,5,5,15 timing. If i was at 1:1 ratio my ram would run at 890mhz but I cannot run better timings at the slower speed. The way I figure it I don`t need to run faster ram account of the over-volting it would take to overclock the cpu any higher. 1.3625 v is the highest I will take my e8400 even with my water cooled system. I have tried many different combinations of multiplier, fsb, ram divider and this config performs better for me at the lowest voltage to my hardware. G.Skill would be my first choice but for now I am satisfied with my 30 dollar ballistix kits performance. G.Skill "HZ" for xp users or a 2x2 kit for vista.