Showing you a setup that has more than just a steadicam also adding more function to the videopod / monopod Manfrotto 560B or 561B which are great monopods to use for filming events but be even greater if they can also be used as steadicams to make them even more versatile. I added a small extra part which is from standard camera parts.
Parts used plus links to Ebay Search results:
Weight depends of how heavy your camera is as you want to counter balance it with about the equal weight to get a good center of gravity.
Movie talked about is: