Slightly worried now.
I really enjoy LOTRO (A LOT!) and a lot more than WOW and I really like the continous free content patches and updates. This is really great and makes a lot of the appeal of this game versus WOW, where you have to pay for every update (and these are not any bigger than what LOTRO had for free so far).
I hope the fact that the subscription model is to go away does not mean the (rather unfair and pretty dum and demotivating model) of buying items for real money in order to level up is going to take its place.
That would completely tak the the fun out of the game for me (why play and fight and do quests if you have to buy all the stuff that is relevant anyway?).
It would be nothing different than going to a goldfarmer to buy money for the best gear. Where is the fun in that? I might just as well pay someone else to play the game for me and ummm spend my time doing ummm... something fun... ummm...
So the day they introduce that,I might just as well quit playing this game.
Now if it became a model like guidwars, I might like that, but I think that is rather unlikely to happen.
I also think that this might piss those people off that have life long subscriptions. They would feel betrayed (I sure would).