Looks like there are some hints to suggest that Valve’s announcement at the VGA award show this December 11 will be along the lines of a PS3 release of Left 4 Dead. The idea’s coming from a glimpse at a recent ad for the show, in which a zombie-afflicted public service image reading “Infected? Report it!” That, coupled with Sony excited about an exciting PS3-exclusive reveal, makes one wonder. As always though, it’s just guess work until December 11. We could be wrong and it’ll actually just be Left 4 Dead 3. Big deal, right?