Mind sharing some of what you think are the important aspects and/or design considerations? I'm really just looking for starting points. We've gone over Amy Jo

Mind sharing some of what you think are the important aspects and/or design considerations? I'm really just looking for starting points. We've gone over Amy Jo Kim's video (http://www.youtube.com/watch?v=ihUt-163gZI http://www.youtube.com/watch?v=ihUt-163gZI) and while it addresses major aspects of game mechanics, I'm more curious about how we should go about deciding 'x' points for 'y' actions and if there are any known/obvious pitfalls that we might not see...