In addition to the new iPhone 6S and iPhone 6S Plus, Apple is expected to unveil the long-awaited next-gen Apple TV at its September 9th event. While some have reported that the set-top box has been delayed by a lack of content deals (the company had originally announced a June WWDC launch), 9to5Mac says “the delay was internally attributed to a concern over compromising iOS 9 engineering resources.” In addition to a new hardware design and UI, the device is expected to feature Siri support, improved search, more storage and a faster processor. “According to sources, this new Apple TV model, codenamed J34, will be the first model to run a full-blown iOS core,” notes 9to5Mac. “Specifically, the new Apple TV operating system will be a TV-optimized version of iOS 9.”