Now that you have accumulated a large fanbase and many new players, you could focus on making the story and role-play elements more fleshed out in future games/expansions. My favorite game and arguably the best RPG ever made (and likely to stay that way) was Planescape: Torment. The immersive original Planescape (DnD) setting along with the incredible novel like story made the game an existential spiritual experience for me. I was literally shaken at the end of the game. It was an amazing piece of literature in game form. These are all weird ways to describe how a game affects you, but that was because it was unique and that good. I don't expect any story or RPG to live up to those standards, but it is very possible to take away elements from it to make future games great.
1. More dialogue - I'd like to see more text. A lot more text. I want to pull stuff out of NPC characters. They should have a distinct personality and lots of dialogue options. Whether it's humorous, informative, or time consuming, it's immersive.
2. Better NPC reactions - I want to see NPCs respond in distinctive ways to eachother. Planescape: Torment had an amazing way of having your NPC companions talk to eachother in unique ways. You had clashing of personalities and they seemed life-like.
3. A story that is more personalized and original - A story can still be epic without the usual "save the world" scenario. It should be more focused around a character. It seems like race/choice of skills has no bearing on how you play the game or how the world reacts to you. (Aside from the "What do you want lizard?" comments from guards)
More to come, I'm just busy at the moment.

