I just kickstarted this game Albion's Legacy. It's an Arthurian game with some great artwork. I also like the fact that is a cooperative table top game.
I was lucky enough to play the game at a convention with the creators. Even though we "lost" the game it was good fun.
They are about...
There are some threads at Wizards and here at enworld that talk about this. Since I am new to the forums I cant post any links but if you search the the words "Prismatic Sphere Teleport" you will find the threads.
I cant make it this year. But I have a friend who running a game he created called Albion's Legacy. It a cooperative table top game with an Arthurian theme. I played it at other conventions and its quite fun.