Looks like a tremendous value and easy to use app. Get it soon! http://www.theverge.com/2013/1/29/3927728/thx-tune-up-calibration-app-iphone-home-theater
You don't need some "expensive cable" it is $40 at Target... http://www.amazon.com/Apple-Digital-AV-Adapter-MD098ZM/dp/B007IRBNRW/ref=sr_1_3?s=electronics&ie=UTF8&qid=1359519980&sr=1-3&keywords=apple+hdmi Here's one on Fleabay... http://www.ebay.com/itm/Apple-MD098ZM-A-Digital-A-V-Adapter-For-iPad-iPhone-Audio-Image-Transfer-/190791425677?pt=US_Tablet_AV_Cables_Adapters&hash=item2c6c0e1e8d