Ok, I just installed the ati 3870 on my mac pro and it seems to work fine except: 1) When you reboot no longer it makes the very loud fan noise and its quiet, is this normal?? 2) I noticed text on safari seems a bit different font style. 3) Also when the grey screen loads in the beginning it shows weird dots of artifacts for 2 seconds and then it boots just fine.. is this normal?? 4) Also under color profile and no matter which one you choose its all the same. 5) Brightness adjustment is gone?!?