It should also be pointed out that you have to use iTunes to drag MKV files etc. onto the iPad, but you don't need to add them to iTunes and sync them from ther

It should also be pointed out that you have to use iTunes to drag MKV files etc. onto the iPad, but you don't need to add them to iTunes and sync them from there. iOS apps can accept and offer file drag&drop and this bypasses the iTunes library. It's still not as easy as having a folder pop up on the desktop, though.