After a few years of using DVD recorders sansumg engravers, here decided me to use this recorder Panasonic burner, of course we are not in the same category, double tuner, dual HD recorder or not, it is very useful if you do not utilsez dual recording there is automatic backup of your current program on 1:30, which allows to pause and rewind, we appreciate .... manage your recordings, partial removal, separation, engraving and possible conversion formats and feasible when the machine is idle, advanced and fast and accurate feedback on the recordings, possible grouping of your recordings, menus are a fairly simple and easy to use .... short some criticism, a lack of display on the record size, but no possible tri compensated by the use of groups, types of non modifiable side ... reading program, good for 3D especially connected device ... ... no regret, remains why dvd burned and finalized do not spend all the samsung drives, yet to acquire experience on the various DVD and BR and AV formats and USB inputs