Here you go. Directions on getting decrypted blu ray titles on ps3 hard drive:
Elecard Xmuxer Pro
The File Splitter 1.31
Open up file splitter and split .m2ts file into up to 3.9 gb chunks.
Open up Xmuxer and demux all .m2ts file parts, one by one. Demux video to .m2v and main audio track to .mpa.
Open up Mpeg2vcr and mux all .m2v and mpa together one by one into Program stream. You should end up with 4 or 5 .m2ts files all playable on ps3.
Copy to ps3 hdd using external hdd and play