Apple's yearly developer conference should see iOS 8, OS X 10.10, and likely some hardware.
iPhone 4 Surfaces in Czech Republic With Back Camera Photo and Video Samples
Czech site Jablčkř.cz reveals [Google translation] yet another iPhone 4, backed up by multiple pictures of the device laying on top of a newspaper from this past weekend.
While other leaks and of course Apple's own presentation and marketing materials have shown us the next-generation iPhone in a fair amount of detail, this new report claims to offer a sample of photos and a brief video clip [Direct link to video] taken with the device, demonstrating real-world performance to compare against sample photos and video posted by Apple.
The report notes that an hour's worth of "playing games, surfing, YouTube and Google Maps" resulted in a battery drain of only 10%, bolstering Apple's claims of significantly improved battery performance compared to earlier iPhone models.