What kinda camera should i use for filming a movie?

I probably can't afford the actual ones they use for movies, but what digital movie cameras will come close in quality and look. Right now, i have a digital camera that can make sorta videos? But im not sure if that is good enough. And how can you tell how good the quality is of a camera?

Good question I would do a search ebay is and lets see this site
www.electronicscircuitsite.com
Good luck it sounds like fun!