There was a thread on that other site about using the SQ lounge at SFO, but never any real conclusion on whether we have access to it. It should work based on *A rules and all that, but no confirmation. As I'll be in SFO next week (on a YYZ-SFO-YYZ), I think I'd like to give it a try. Does anyone know where it is relative to the AC gates? And can I assume it's worth the walk (and the risk that the walk might be for nought)?