I wanted to ask people who own the XFX 5870 ATI HD card what kind of overclocking they have gotten with the MSI Afterburner program. I currently have clocked at 1000/1300 at 1.3V with the fan locked at 50%. It seems to be stable at this setting and load temp is about 75C. So can I even push further? What is the max voltage I should not go over when overclocking. I am not sure what my boundaries are with shader clock and the memory clock. I would appreciate some more guidance. I am looking the best overclock possible with my system. Thanks guy.