I've been really enjoying the multi class system but aside from that there isn't very much that is new.
Like i said above, they are not attempting to offer a totally new MMO experience; they are trying to create a polished, and well working alternative. In the same that if someone is bored of Call of Duty they can try Battlefield, or vice versa. If people are bored with WoW, but want a equally polished, and content-full experience they can try Rift. Rift is trying to be the Battlefield to the WoW CoD, and from what i'm seeing they are succeeding. I'm tired of WoW, but i like the gameplay and polish so i will most likely play Rift, as it's much like WoW but it's changed up enough that it will feel fresh. I applaud the developer for offering a polished and complete experience that will compete with WoW on the front of having a content-rich, polished, and well developed experience; rather than trying to redefine the genre and fail (FFXIV).