Sorry just tried to be helpful and thought it was a good idea to share this article.
If you don't find the article helpful or accurate then it's too bad,
it helped me choosing mine and I settled for a vorbis codec they were recommanding.
I was talking about convenience because his apple products only reads apple files (or mp3) hence it is more convenient to use them.
Again, iTunes will rip to and play from 5 different file types, only one of which is an Apple product. In the list below, the first 4 are non-Apple, the last one is obvious.