Hi oz38super, I don't think at all it's a bad idea. I used my p7n diamond with a q9450 for some time with really good results, till my board died. I was able to manage around 440 of fsb, so my processor was around 3500-3600 (just 3 days of overclock).
Now my board is in rma, but when i got it back, i'll put it my Q back

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