Screen tearing with FGLRX drivers in Linux?

are there any tweaks i can do to help reduce screen tearing with FGLRX? i know it has a tearfree mode but that doesn't work for me. it fixed the tearing but with a serious performance hit so its no good. i tried the x.org drivers but they suck even worse. no tearing with x.org just terrible performance with 3D composition. FGLRX works best but with flaws. i have an AMD radeon 5570 redwood BTW and it runs a 24 inch flat panel running at 1920X1080. anything i can do? any tweaks that might smooth out the screen tearing? performance is good with FGLRX. i just cant get the screen tearing to stop. what can i do? i am Running Pardus Linux 2011 BTW. and i also Run openSUSE KDE. same problem in both. although its worse in openSUSE.