Amazing - I simply love the direction you're taking with this one.
Turn-based combat, party interaction and dialogue focus, coop style, explorable world with many secrets, top down perspective... and editor release for the modding community! That sounds almost too good to be true ;-). I will eagerly foolow this one and am really happy you're going against main stream of nowadays with this. All the best for your project!
Edit: Ah, plaese no real-time-stop-motion combat - true turn based combat allows for much deeper tactic systems. At least normal battles should require to take it slowly and think to win. If you must, have real time as an option placing the player severably at disadvantage (because he lacks the time to use the required complex stratgies), so it's only useful against oppopnents much weaker than your party already. The balance of diffculty should be centered around making the right choices in combat by thinking hard (at least on higher difficulty levels).
