The EuroLine 6720M can play the following formats:
I have not tested this myself, a couple of other people have reported this to me.
A part from that, I know vere little about the EuroLine 6720M, except from how to get into a hidden menu from where you can make it region free and maybe a couple of other things (look at the Hacks page for info about this).
If you have any more information about this player, feel free to send it to me and I'll put it up on these pages.