iOS 6 preview no release date (will come with iPhone 5 when announced not at this event, too many distractions) Right iOS 6 was previewed and no release date
Mountain Lion preview and a release date Right both were done
Siri api and some app with api released after the event. Wrong
New mac pro hardware. Right
No Tv (if it is ever announced it will be during christmas time, ipod release time) Right
Apple Tv api very likely dev will be asked to develop for it. It will be included into the future apple tv. So Apple gets apps without having to pre show their Tv. Wrong
No new iPhone or iPad. Right
I will update the post after the announcements to see how well i did. Whats urs...
Out of 7 prediction i got 5 right better than most other analyst.