Quoted from TheLaw:haha so true. I got a free one with my house...and it was the first thing i wanted out the door.
Be sure to keep an eye on craigslist. There's always someone trying to get rid of one cheap when they're moving and can't take it with them.
Also, don't feel like you have to fill up the room all at once. One game will draw in others like a magnet, so it will happen in no time.