Honnestly, I'd recomend researching the answers to your very own questions.
You want an 8 foot to 10 foot screen? I'd rethink that too...
Really though, start reading and doing your own research. You will soon realize that this isn't like dropping a deck in your car, it's MUCH more involved than that.
The long post isn't what bothers people around here, it's the way in which you post it. I'd recomend using spell check next time too.
to the forums. There's a TON of information to be had here. All it takes it a little bit of elbow grease to sort through all of the posts to get what you need.