A long time ago I said I would post a video of my Maine Coon, Willow, making his squeaky noise. If you don't know much about the breed, they get very large but have a tiny, chirpy meow. It's really cute to hear, coming out of such a huge guy!
So here's a video with Willow's meow followed by my female's meow, who is about half the size of him. It's 1.45 m, so Du watch out!
http://sarah.digeratihost.com/images/cats.mov