i also signed up just to post here. i cant believe that you are even asking this question as most of the time when you have an idea and try to suggest it to someone in the entertainment industry they tell you: "we cannot accept your idea because we dont want you to come back and sue us when we do..."
I would like to see a new space adventure game where the ship you fly follows real physics. if there was one game that i could use as an example it would be freespace. another would be the aborted bablyon 5 space sim. combine this with an RPG element and i would think you could have a super hi