Add ThinkSecret to the list of outfits predicting a June launch for Leopard, the next version of Mac OS X.
The latest report says Apple will formally launch the new OS in June, in or around Apple's Worldwide Developers Conference kicking off on June 11. Apple used last year's conference to highlight several features inside Leopard, and might just use this year's to launch the OS and take the wraps off some "secret features" hinted at by CEO Steve Jobs last year.
It also looks like this year's WWDC will see the launch of the iPhone, which will make for a busy week in mid-June. All Apple has said on either topic is that the iPhone will launch in June, and that Leopard will ship this spring.