Ga EX58 UD5 and maybe a Xeon?

hey guy's i have a ex58 UD5 and i am slowly transitioning into Productivity work, like Photoshop and at some point Final cut and premier (i am using a hackintosh) i found some hexcore's on ebay.. what i want to know is has anybody used any and if so are they stable with OC'ing i am looking at the X5650