As far as owning this unit, I own the previous model (DVP-CX985V) which lacks the hdmi upconversion.
As far as having issues with the unit losing all the information, I'm really not sure as I have not tested this feature. Once you load a disc into the unit, ti should display some sort of information in the indexing screen. Right now, I'm using mine as a straight out cd changer in my living room and I'm goin to get the 995V for my basement and hook it up to my 60" XBR1. Since my intentions to use this machine are solely for storing movies into it and have them ready to be seen, I can give you a tip.
If you decide to get it, get a battery backup for it and your tv, so you don't lose your data for all the movies you store in there. Secondly, If you so decide to put a bunch of moview in there, compile a spreasheet so you know which movie goes where, that way if you lose your data, you can enter it back. Also, this would apply to a cd or dvd you took out. When you put it back into the changer, put it back in the same slot you had it before and the data should remain the same.
I hope this helps