It isn't Safari. It's iPhone, iPod, iTV, etc. They've branched out the desktop PC industry and are into consumer electronics.
It wouldn't surprise me if, deep within the bowels of Cupertino, they're working on a video game console. Let's call it iPlay, iGame, iWhatever.
Agreed, on all accounts.. But, after hearing about the Tiger preview, I think Microsoft should start a new marketing campaign: "Cupertino, Start your photocopiers..."