Fail
The forums are not actually visible to the public without manually typing the ID numbers into the URL, so Apple didn't exactly "leak" anything. The forums are hidden.
Top marks to Apple's web team - and Polish website Spidersweb for spotting it - who have put up Apple support site discussion pages for the products due to be announced at this evening's "Back to the Mac" event. So we have references to iLife 11, which will comprise - at least - iMovie 11, iPhoto 11 and GarageBand 11. Apple …