I look at a group of ideas as the seeds from which a good plan grows. There are, however, a few things you should be doing right from the start: Record your ideas, Keep it Simple, Is Having a Theme a Good Thing Learn it all! Wait, you don’t have an idea yet. You’re at the genesis of of something.
It’s the moment when the world slows down and the primitive modding instinct takes hold. The moment when you pick up the largest screwdriver you own and throw it into the air, slowly spinning it ever upwards end-over-end-over-end, as the theme to 2001: A Space Odyssey fills the air around you. Oh the possibilities; oh the things that could be!