At this point, I'm not even sure if the iWatch is the biggest news coming, there is so much hype and mystery around this whole event. All we know for sure is there are iPhones going to be there and we have an inkling that a watch will be shown off. Anything else and the capabilities of these devices are so far up in the air right now.
If this event even reaches half the hype level, it's going to be amazing, but if it pegs the hype meter full tilt, they better have ambulances on stand by carting fanboys out of the place.
My honest take on this is that Steve Jobs, Eddy Cue, and many others have already put their reputations on the line with their bold statements. If this was anything less than spectacular then I would question anything they say in the future. However, I think they've really got something up their sleeve for this, as they have strong reputations and I don't think they would make those claims without something to back them up.
If this event is as big as it seems like it's going to be... I may finally have to give up Android and take my last sip of punch.