Im a newbie to all of this, and have only used the Menzerna product line, but what I see recommended:
Compound: Menzerna FG400, Meguiars 101 or 105.
Polish: Menzerna SF4000 or 45000, Meguiars 205
Sealant: Blackfire Wet Diamond, Wolfgang Deep Gloss 3.0, Menzerna Power Lock