I have come across two great apps, both are paid for, and not available on the App Store - one is a replacement for iPhoto which I loath, it is called Lyn - if you have ever used linux there is a great picture manager called gThumb - it is very similar to it, and the second is a Blu-Ray Player for OS X, there is also a free version of the player which has everything except the Blu-Ray and it is called M