There is good news....finally lvw-5005( oct 04 ) firmware have been hacked...you can find it here:
http://club.cdfreaks.com/showthread.php?t=103379 I did it now my recorder MV free with 3 hrs mode. I'm not engineer or...if I can do it so were you but u need to read these to understand what they're talking about, look for 'Intersys'. If you don't understand....ask...they'll help you.