Thanks for the link, but actually I'm looking for personal input rather than a link. Besides, it seemed apparent that most of the posters in that thread were dealing with auto parts, which though they need to be shiny, they don't need the kind of shine that I'm looking for. People don't look at their mag wheels up close like I do with the model. Most of the posters were talking about Mother's polish, which I think would be a paste, rather than a liquid or cream, and it's abrasive, which means that it would leave very fine scratches.
Here is a polish and sealer set that I've been considering, but it's a bit expensive to buy on the basis of ad statements alone:
Link Removed