Alright, let me know the outcome.
It took me a long time to find and install the new PSU and all issues are gone now....
So it wasnt, the DVI adapter, nor the driver version, nor the eyefinity setup, nor the video ram size....
Now I can play on my 3 displays on high res, high textures, and really smooth...
havent run FRAPS yet, but the thing is working
I have installed the Cooler master 750W GX, I'm falling in love with that brand name
Now I am also able to set my rams to its factory speed... by tweaking the voltage
That was imposible before
I hope this thread will be useful for anybody that wanna save a few bucks on a cheap generic PSU
Just dont do it...! Stay with the fancy ones......
Stay away from any BLUESTAR PSU........! it sucks
or any brandless, or cheap, or generic PSU
U might be risking all your hardware to a short life