Actually the Dreamcast controller is about the size of the Xbox 360 controller, and lighter... The Dreamcast console was just really small. Look at lid on the top, that's about the size of a CD.
And the worst thing about the controller was the wire coming out of the bottom instead of the top. Who does that, anyway?
Oh.
Edit: nevermind, it's actually bigger than the Xbox controller, but it's still lighter. It actually feels too light considering the size of it.