Max overclock Sapphire 4670?

Nice. I haven't tried to get a huge OC on my HD 4670 because temps start to get higher than I'd like under load, even with the fan on full and making a racket. The Catalyst Control Center gives me 765 core/1130mem when I auto-tune but that probably doesn't mean a whole lot. I kinda wish that I had spent the extra $10 or so for the dual slot HIS. I have absolutely 0 stability issues though... Load is 80-85C but the ambient temp is starting to get higher so I'll probably disable my small OC over the summer.

-mcg