I've been able to install SL on my G31M-ES2L motherboard. The only problem i've had is with the GTX275.
First the screen went black after boot. By removing the NV related kexts following the method described in http://www.infinitemac.com/f19/guide...leopard-t4057/ I am able to get to the desktop.
Actually SL behaves much beter graphics wise than 10.5. It's workable as there are no screen redraw problems etc. But of course I want full QE support. Anyone out there who got their GTX275 running on SL?