japanese/region free/subtitles

Hi,

I wanna buy a region free player OR get one and modify it.  I want to
be able to play american and japanese dvds on my player, but when
watching  my japanese discs, I must be able to have the option to
select Japanese subtitles while watching the movie. I'm here in japan
studying the language so it's imperative that while listening to the
audio of the spoken japanese, i can see the japanese characters as
well. can anyone recommend a player that handle this or one if i
modify can still handle this? thanks

jim