Long story short, I have a 1700 tb'a that can go up to 1.73ghz on my leadtek nf2. I am a bit disappointed w/ the o'c so I get a 1700 tb'b(hit 2.2ghz) and pass the old 1700+ to my brother. I got the MSI nf2 w/ video, after I finish all the driver/software stuff I play around w/ the setting a bit. And I CAN'T O'C IT, not even 1 fsb or .5 mult. Go higher than 133fsb or 11x mult, it won't boot AT ALL. I did try everything I know and still no go. So if you want to o'c, don't go for MSI. :|